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please send solution Q) No 2 a) Find the directions in which f increases and decreases most rapidly at P.. Also, find the derivative of

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Q) No 2 a) Find the directions in which f increases and decreases most rapidly at P.. Also, find the derivative of f at P. in the direction of the vector v. (5+5) f(x, y,z) = In(2x + 3y + 6z), P=(-1, -1,1) , v = 21 + 3j + 6k

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