• Find the extremals of the functionals I (16y? – (3)° + a?) dr. J(y) J(y) (2ry+(y")*) dr 2.a %3D J (u) = () - 2 (1)° + y² – 2y sin z) dr

Q: 3. Classify the stationary points of (a) f(r, y, 2)= x² +x*y+y*z+ – 42 (b) /(2, 23, re)- 20xy…

A: a) stationary point of f(x, y, z):-At those points where∂f∂x=0,∂f∂y=0,∂f∂z=0…

Q: 2. Differentiate the following. Simplify your derivatives as much as possible. f(x)= (3x² – 4) |b)…

A: As per our company guidelines we can answer only three subpart question at a time so if you nee more…

Q: 5. In rectangular coordinates verify that V · V x A = 0 where A = xyz(ê+ ŷ + 2) by carrying out the…

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Q: If w= y(x- mz)i + yz*j + In XZ -1 k and f-w cos (xy-x) x* + m y find at point (0,2.-m): (1) the…

A: Given - If w = yx - mzi + yz2j + lnxz - 1x2 + mk and f = w ·cos-1xy - x2yj To find - At point ( 0,…

Q: 2.The equation of C3 can be expressed as z=p+qi+ce^iθ, where θ varies from mπ to nπ. What is the…

A: Given: A semicircular path from 0,0 to 2,2 denoted by C3. The equation of C3 can be expressed as…

Q: 2. Solve for y in terms of x for the following equations: a) In(1- 2y) = x %3D b) In(y- 1) - In 2 =…

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Q: If cos(4x – y) = x+y, then dx A -1 - sin(4x – y) 2+4 sin(4x-y) (B) sin(4x-y) 1 1+sin(4x-y) C) 1+4…

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Q: If z = x2 + y² and x t cos 2r and y = r sint, then %3D a2z is at2 (A) 2 cos²(2r) + 2r? cos?(t) – 2ry…

A: Given  z=x2+y2      and x= t cos 2r ,y= r sin t First substitute x,y values in z  Then derivative…

Q: 3. Classify the stationary points of (a) f(r, y, z) = x² +x*y+y'z+z7-4 (b) /(.x2, X, r)- 20xy +48r,…

A: Given function is fx1,x2,x3,x4=20x2+48x3+6x4+8x1x2-4x12-12x32-x42-4x23           (i) To classify the…

Q: Let f(x, y, z) = x“y + z* and x = s³, y = st°, and z = s°t. (a) Calculate the primary derivatives ,…

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Q: 7. Find the rectangular equation if r = 4 cos 0 + 4 sin 0 (a) (c) x² + y² = 4 x² + y² = 4(x + y) (b)…

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Q: The indicial equation of (-1) y"+ (-1)y'+2u 0 at r=1 is: (A) + 2r +1=0 (B) r1 2r = 0 (C) r-r= 0 (D)…

A: Given differential equation is (x-1)2y"+(x3-1)y'+2y = 0

Q: Q1. Find by implicit differentiation; a) an equation of the normal to the astroid x/3 + y/3 – 4 at…

A: Note:- Since you have asked multiple question As per our policy, we will solve the first question…

Q: alu,v at dx,yl Q2// B :- If u+v=e"cos y and u- v=e" sin y find the Jacobain of the function (х,у)…

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Q: dy – y (xy' -1) .3 2.) dx

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Q: a) Find dy if y² + x²y² = 1+x^y use implicit differentiation b) If x² + y² = 6. Find y' in term OF…

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Q: Which among the following functions has the derivative of dw (18y4 54y³ + 90y²) (2y³ – 1)' + (2y³ –…

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Q: Find the derivatives for the following functions. 1 2x2 1.

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Q: H.W: 1. find the derivative of the function f(x, y, z)= xy + yz + zx ,at the point P(1,-1,2) in the…

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Q: 52. (a) Given 3y² – xy+x 3. By using implicit differentiation, dy 8 (i) find the value of at x=1. dx…

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Q: 2-g(%,y)%3D플-플 * at (VT ,1)

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Q: 4. Find d?y/dx² for the following functions: a) y = sin x? cos 2x b) y = cos (sec2 3x) c) y = x²(x³…

A: Since you have asked multiple questions, we are answering the first question for you as of now. If…