What are the second partial derivatives , z (x,y) and z (y,x) if z = x^2*y + 2x*e^1/y ?

# What are the second partial derivatives , z (x,y) and z (y,x) if z = x^2*y + 2x*e^1/y ?

• MATH

What are the second partial derivatives , z (x,y) and z (y,x) if z = x^2*y + 2x*e^1/y ?

To determine the second partial derivatives, we’ll have to calculate first partial derivative for given expression. We’ll calculate dz/dx. z=x^2*y + 2x*e^1/y We’ll differentiate the expression of z…

• SOCIAL SCIENCES

What would you do if you had a million dollars?Hello Friends, Every people wants make a rich…

I am a reasonably contented person so I do not think my life would change that much. For one thing, I am already without a job other than taking care of my children so it is not as if I could quit…

• MATH

Find dz/dx and dz/dy if z=3x^2-2y^2+2xy .

z = 3x^2-2y^2+2xy. To find dz/dx we differentiate z with respect to x as a function of the variable x and we treat y as a constant. dz/dx = d/dx (3x^2-2y^2+2xy). dz/dx = d/dx(3x^2) – d/dx(2y^2) -…

• REFERENCE

What are the top 5 things on your shopping list this festive season..?What are the top 5 things…

Technology always seems to be at the top of my list. Strangely, this year, I find myself in more of an Apple or Mac frame of mind. I am intrigued by the Macbook Air laptop. I think that the…

• MATH

Prove that 1/(1-tanx) – 1/(1+tanx) = tan2x .

To add the ratios, we’ll have to have the same denominator. We’ll calculate the least common denominator for the given ratios. LCD = (1-tanx)(1+tanx) We notice that the LCD is a difference of…

• POETRY

In the following poem, what literay devices and what are they good for in the poem?Bombed Last…

When you are looking for literary devices used in a poem, just noticing them is step one, but connecting them to the meaning or theme of the poem is what is really important. First you have think…

• THE POISONWOOD BIBLE

At the end of the Poisonwood Bible a woman says that there is no village past Kilanga. What does…

In jungles in the Congo where a village which has been abandoned for any reason (spread of disease, food shortage, flood etc), the vegetation of forest re-grows so rapidly that little trace is left…

• MATH

f(x)=(x-1)*(x+2)^3. Verify if the function is convex or concave.

If a function is convex, then the second derivative is positive: f”(x)>0 If a function is concave, then the second derivative is negative: f”(x)<0 To determine if the second derivative is…

• DEATH OF A SALESMAN

How does Miller use tension in the family to underscore Willy’s character in Death of a Salesman?

One of the largely unstated tensions in the family is Happy’s failure to mature and his womanizing. He is the quintessential “cad”, harboring no real or deep feelings for anyone and demonstrating…

• MATH

What is the area between f(x)=5x^4+3x^2, x=1 and x=2 ?

We notice that it is not established the other boundary curve, we’ll suppose that we have to calculate the area between f(x), the lines x=1 and x=2 and the x axis. The definite integral will be…

• POETRY

What does the poem “Bombed Last Night” say about the human condition?

I am not really sure that this poem talks about the human condition per se so much as it talks about the human condition in time of war. In this time of war, the poem is saying, the human…

• TWO KINDS

What does the setting reveal about the actions of the characters in “Two Kinds” by Amy Tan?

The place and time settings are quite significant to the characters’ actions in Tan’s “Two Kinds.” The place setting, San Francisco, has a large Chinese population, which causes Jing-Mei’s mother…

• MATH

Determine the line ty = 3x – 2 when it is perpendicular to the line y = 1 – x.

If the 2 given lines are perpendicular, then the product of the values of their slopes is -1. The given equations are y = 1 – x and ty = 3x – 2, so we’ll have to put the equation ty = 3x – 2 in…

• JULIUS CAESAR

What did the people of Rome do for Julius Caesar after his death in Shakespeare’s play Julius…

After Caesar dies, in Shakespeare’s play Julius Caesar, the people yet again show their fickle nature as they celebrate Caesar’s life. Antony underlines this fickle nature of the people in his…

• PHAEDRA

How is Theseus convinced by Phaedra to take revenge against Hippolytus?

In Euripides’ Hippolytus, Phaedra, the wife of Theseus, is in love with her stepson Hippolytus. For a long time, Phaedra had tried to hide her love, but eventually her nurse convinces her to reveal…

I have been asked to address the importance of groups as they relate to the study of sociology.

Sociology is the study of human development within a society. To that end, it is important to understand that groups contribute many of the ideas that sociologists analyze. For example, a society…

• MATH

Solve the system using gaussian elimination. x1-x2+3×3=10 2×1+3×2+x3=15 4×1+2×2-x3=6

When Gaussian elimination method is applied, the given system is transforming into an equivalent triangular system. We’ll note the equations of the system: x1-x2+3×3=10 (1) 2×1+3×2+x3=15 (2)…

• THE GREAT GATSBY

In The Great Gatsby, what arrangements are made regarding the passengers of each car on the trip…

It is in Chapter 7 that Gatsby and his guests decide to go to town. Remember at this stage that Daisy, Tom’s wife, is having an affair with Gatsby and being very indiscreet about it. It is clear…

• THE ROCKING-HORSE WINNER

What is the characterization and point of view?explain by giving example

The point of view is omnicient third-person, so the thoughts of all characters are available to the reader. The characters of the story are driven by the mother’s (Hester) obsessive desire for…

Discuss the potential benefits and risks in business diversification.no

To me, there is one major type of potential benefit and one major type of potential risk when a business diversifies. The major possibility of benefit is that the business can increase profit and…

• MOBY DICK

What are the two significant biblical allusions mentioned in Moby Dick?Who do the allusions…

There are actually several Biblical allusions in Moby Dick. One is the allusion to the story of Jonah. The story of Jonah centers specifically around God calling Jonah to do a job, which Jonah is…

• JOHN KEATS

Compare and contrast the theme of the natural world in “On the Grasshoper and the Cricket” by…

Although both of these poems show respect and affection for the natural world, I would say that Keats’s poem is much more positive and Dickinson’s is much more negative in its view of nature. In…

• ROMAN FEVER

How does “Roman Fever” by E.Wharton portray marriages based not on love, respect or commitment,…

In one of her greater works of fiction, Edith Wharton portrays the class from which she herself came, the social elite of New York, to whom name and social status are all-important. Relationships…

To me, this statement means that the only goal of a firm should be to make money. Firms are created in order to do business and to make money while doing it. Any other goals are not really…

Definition of scanning and skimming according to reading skill.

There are different types of skills used when approaching reading material. When people wish to find only important ideas and not all the details, they often skim a text. This involves different…

• MATH

Find the coefficient of x2 in (x+2/6)6the x outside the bracket is squared, and that 6 outside is…

To find the coefficient of x^2 in (x+2/6)^6. We shall expand the binomially the given expression (x+2/6)^6. We write binomial expansion of (x+a)^n = x^n + nC1x^(n-1)*a+nC2 x^(n-2)a^2+nC3…

• EARLE BIRNEY

Please provide a critical appreciation of the poem “Bushed” by Earle Birney.

Poetry speaks to each individual in a different way. My perceptions are as follows: The rainbow in the poem may symbolize the speaker’s dreams which have come crashing around him in the throes of…

• POETICS

Is Aristotle’s Poetics a critical text? If yes, then what makes it so?

Your question asks one thing, but your tags list a different possible term to apply to Poetics. The short answer to your question is that Poetics is a theoretical text, a text that presents and…

• HISTORY

In December of 1776, how did the actions of Americans in both the military and civilian spheres…

This was a particularly low point in the American effort for independence, in that we had faced a long series of military defeats, and Washington’s army was a shadow of its original size and…

• THE CRISIS

What “program for action” did Paine put forward in “The Crisis,” p. 142?

In your message to me, you said that this question refers to the article written in December of 1776. In this article, the main “program for action” (these words aren’t actually used) is for all…

• RABINDRANATH TAGORE

What is the ratans love towards the postmaster in the short story “POSTMASTER” by RABINDRANATH…

Ratan’s love for the postmaster is one that reflects loyalty and a sense of commitment. Her love for him is predicated upon the fact that she was cast aside by the social order and relegated to…

• LITERATURE

Comment on CHARLYLE’S attitude towards the working class in CHARTISM?answer in detail

Chartism was a general rubric for a range of working-class protest movements in England , named for the People’s Charter. Chartism was a very widespread popular reform movement which involved…

• 1984

Critically examine the symbolism in 1984?plz answer in detail

In 1984 Orwell uses symbols, motifs, imagery, and objective correlatives to amplify his themes of freedom vs. control, destruction of language, and mutability of the past. Regarding the theme of…

• WILLIAM SHAKESPEARE

What is the importance of women in Shakespeare’s plays?

This, as you are probably aware, is quite a large topic, one that books, in fact, have been written about. A book I would recommend for more detailed research on this question is As She Likes It:…

• HISTORY

Can someone give me a brief biography of Elizabeth II, and most important moments in her life?

Elizabeth Alexandra Mary (born April 21, 1926) is the current Queen of the British commonwealth and its 16 sovereign states. She became Queen in 1952 following the death of her father, King George…

• BEOWULF

In Beowulf, why is Unferth so hostile to Beowulf?

The epic Anglo-Saxon poem Beowulf is, in part, the story of a beleaguered town who is saved by a hero. For years, Hrothgar and his people were tormented by the monster Grendel; the marauder had…

• THE TELL-TALE HEART

In “The Tell-Tale Heart”, why did Edgar Allan Poe name the story with this title?

Well, this is a good question to think through. Firstly, the original title uses alliteration with the repetition of the two “t”s in the “Tell-Tale”. However, more importantly than this, I think…

• SCIENCE

Do all cells undergo cell division? Explain.

Cell division is also known as mitosis. It occurs in cells with a nucleus, known as Eukaryotic cells. It is a process by which cells produce new, genetically identical cells that are smaller than…

• OF MICE AND MEN

How does the title Of Mice and Men affect our view of the dream and our expectations of what will…

To understand the title’s connection to dreams, a reader must read poet Robert Burns’ “To a Mouse,” from which Steinbeck got the idea for the title. A line from the poem that is often paraphrased…

• TO KILL A MOCKINGBIRD

Segregation Limited to Blacks?Based on Jem’s and Scout’s experience at First Purchase, is the…

If you are asking whether only black people have prejudice or dislike aimed at them, then clearly the answer is no. Clearly, black people feel some animosity towards whites and want them to stay…

Can mathematical modeling or quantitative techniques help the manager to solve the problem of…

The term work assignment in the question is too general. It could mean the task of assigning different duties or responsibilities to different people employed in an organization as a part of…

• MATH

sketch y=x^2 and then on separate axis sketch…a) y=2x^2 b) y=(x+1)^2 -3 c) y=-(x-2)^2+1

y = x^2. This a parabola. y = 0 when x = 0. So (x,y) = (0, 0) vertex. x = 0 is axis of symmetry of the paraboa. y= x^2 could be written as x^2 = 4ay Or x^2 = 4(1/4)y. So 1/4 is focal length of…

• DAY LEWIS

Obviously, this poem is to be compared with the companion poems of Marlowe and Ralegh. Marlowe was, of course, followed by Ralegh and, a few centuries later, by Lewis. Lewis’s poem parodies…

• REFERENCE

chiken n ribs and horses of the night short story hey i have to do synthesis essay on lydia and…

A synthesis essay usually involves pulling from different sources, and it’s not clear if you are looking for your own sources or using those provided. Either way, read all of the sources carefully…

• POETRY

What do people and trees have in common in Laux’s poem “The Life of Trees”?

Human beings and trees both face the same realities, although in different terms. In line 10–12 the speaker asks: “What’s reality if not a long exhaustive / cringe from the blade, /the…

• POLITICAL SCIENCE

Turning Victory to Defeat? How Obama’s Election Helped Put the Senate in Play election on november

So are you asking us to tell you how Obama winning in 2008 led to the Senate being “in play” this year? If so, here goes: First of all, the party that wins the Presidency almost always loses seats…

• POETRY

What is the comparison in Laux’s poem “The Life of Trees”?

“The Life of Trees” contrasts the busy and responsibility-driven life of human beings with the measured, nature-driven life of trees. Negatively, the speaker’s summary of human…

Explain the difference between a price floor and a price ceiling. Provide a situation in which a…

In a free market, the price charged for goods and services depends on the demand and supply of the good or service. A price floor or price ceiling is something imposed by the government as an…

• SOCIAL SCIENCES

The voluntary affirmative action plan is a paradigm shift from the American philosophy of “only…

This one is tough. No doubt about it. If one were to assess affirmative action in a vacuum and without any sort of context, I do believe that an argument could be made that it goes against the…