(a). Let S be the surface defined by x^4 − 3x^2y^2 + 4z^2 = 17. Find...

(a). Let S be the surface defined by x^4 − 3x^2y^2 + 4z^2 = 17. Find the equation of the tangent plane to the surface S at (1, 0, 2).

(b)

Let f(x,y) = e^2xy

. Let P = (2,0) and Q = (3,2). Find the directional derivative of f at P in the

direction of PQ.

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milcah answered 1 year ago

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