Which of the following is the partial derivative with respect to x of the function f(x, y)= 4xy + 7x + 6y − ln(9xy) - O None of the others O fx = 4x + 6 - O fx = 4x + 6 1 9xy O fx = 4y + 7 = 1/2 1 O fx = 4y + 7 - 9 9xy 1 y -

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A: Given :fx,y=2x-y2e-2xy+2y

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A: The given series,        ∑k=1∞k2+3k+22k2+1

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A: This question can be solved using the concept of integration by substitution.

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