Question: Compute the gradient of the given function f and evaluate it at the point P. Then find the directional derivative of f at P in

Compute the gradient of the given function f and evaluate it at the point P. Then find the directional derivative of f at P in the direction of u. Use exact values.f(x,y)=e-3x-y at the point P(ln2,ln4)q,u=(:122,122:)

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