Question: In Problems 1-2, find (( / (x, (2( / (x2, and (2(/(y (x. 1. ((x, y) = 3x4y2 + 7x2y7 2. ((x, y) = cos2

In Problems 1-2, find (( / (x, (2( / (x2, and (2(/(y (x.
1. ((x, y) = 3x4y2 + 7x2y7
2. ((x, y) = cos2 x - sin2 y

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