Thanx! Let w = ex/y + ez/x with x = ln u/v y = uv z=ln u/uv Find the value of pa

Question

Thanx!

Let w = ex/y + ez/x with x = ln u/v y = uv z=ln u/uv Find the value of partial w/partial u when u = 2 and v = 1. The correct answer is root2(1 - ln 2)/4 root2/4 + root2 ln 2/4 ln 2-1/root2 Not one of the above. Write a Chain Rule formula for partial w/partial z if w = f(x, y), y = g(x, z) x = h(z). partial w/partial z = partial w/partial x partial x/partial z + partial w/partial x partial x/partial z + partial y/partial z partial w/partial z = partial w/partial x partial x/partial z + partial w/partial x partial x/partial z + partial w/partial y partial y/partial z partial w/partial z = partial w/partial x partial x/partial z + partial w/partial y partial y/partial x partial x/partial z + partial w/partial y partial y/partial z Note one of the above. Let y(x) = ln tdt Use the Fundamental Theorem of Calculus to evaluate dy/dx. The correct alternative is 2xe2x + 27xe3x -4xe2x + 9xe3x ln |e2x| · e2x · 2 + ln |e3x| · 3 Not one of the above. Use implicit differentiation to evaluate dy/dx when tan (xy2) + 3y = 2xy. The correct alternative is dy/dx = 2y - y2 sec2 (xy2)/2xysec2 (xy2) - 2x + 3 dy/dx = 3 - 2y - y2 sec2 (xy2)/2xy sec2 (xy2) - 2x dy/dx = 2y + y2 sec2 (xy2)/-2xy sec2 (xy2) + 2x - 3 Not one of the above.

Explanation / Answer

17-(a)

18-(c)

19-(b)

20-(a)

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