Let w=?3xy?4yz?3xz,x=st,y=est,z=t2
,
, , and .
now first of all put the values of the in the , we get here
, on further simplifying we get ,
.
(1 point) Let st, y est, z t2 2yz 3z, W = x¥ Compute дw (2,-2) (e^4+12)-2)+(4-2e^4)(-2e^4 as дw (2, 2) Әе
given the quadratic form h(x,y,z) = 3x^2 +3xy - 2y^2 + 3xz -4z^2 if a function g(x,y,z) is = h(x+3,y+2,z-5) and has an origin that is a critical point for h(x,y,z) find a critical point for g(x,y,z) while not calculating one, also is it a minimum or a maximum and is it unique?
Find(dw. and (dw), atte point(w, x, y, z)=(48,3,-2,-2)if w=x2y2 + yz-z3 and x2 +y2 +22 = 17. Find(dw. and (dw), atte point(w, x, y, z)=(48,3,-2,-2)if w=x2y2 + yz-z3 and x2 +y2 +22 = 17.
-n ', S Let f(x,yZFz2_xy. Let v=<1,1,1>. Let point P=<2,1,3> a. Compute gradient of fx,y,z) b. If the contours are far apart, is the length of the gradient large or small? Answer: Explain! What MATLAB command is used to draw the gradient vectors? Answer: - c. Compute the directional derivative in the direction of v. d. Compute the equation of the tangent plane to f(x,y,z) at the point P. e. Use the chain rule to compute r if x t2,...
3)If w = x2 + y2 + z2 ; x = cos st, y = sin st , z = sat find 4)Find the minimum of the function f(x,y) = x2 + y2 subject to the constraint g(x, y) = xy - 3 = 0 5)Find the first and second order Taylor polynomials to the function f(x,y) = ex+y at (0,0). 6) Let f(x, y, z) = x2 – 3xy + 2z, find Vf and Curl(f)
9. (a) Let Ao(x) = / (1-t*)dt, Ai(z) = / (1-t2) dt, and A2(z) = / (1-t2)dt. Compute these explicitly in terms ofェusing Part 2 of the Fundamental Theorem of Calculus. b) Over the interval [0,2], use your answers in part (a) to sketch the graphs of y Ao(x), y A1(x), and y A2(x) on the same set of axes. (c) How are the three graphs in part (a) related to each other? In particular, what does Part 1 of...
(1 point) Let X and Y have the joint density function f(x,y)=1x2y2, x≥1, y≥1. Let U=3XY and V=5X/Y . (c) What is the marginal density function for U ? fU(u)= (d) What is the marginal density function for V ? Your answer should be piecewise defined: if 0≤v< , fV(v)= else, fV(v)=
3. Let the joint probability density function of W, X, Y, and Z be for,x, y, z) = elsewhere (a) Find the marginal joint probability density function fw.x(w, z). (b) Use part (a) to compute P(O< W<X<1). 3. Let the joint probability density function of W, X, Y, and Z be for,x, y, z) = elsewhere (a) Find the marginal joint probability density function fw.x(w, z). (b) Use part (a) to compute P(O
(1 point) Suppose F(x, y, z) = (x, y, 4z). Let W be the solid bounded by the paraboloid z = x2 + y2 and the plane z = 4. Let S be the closed boundary of W oriented outward. (a) Use the divergence theorem to find the flux of F through S. ſ FdA = 48pi S (b) Find the flux of F out the bottom of S (the truncated paraboloid) and the top of S (the disk). Flux...
9) Compute T30T20T1(x, y) for T1 (x,y)=(-2y,3x,x-2y) T2(x,y,z)=(y,z,x) T3(x,y,z)=(x +z,y-z)