Question: plz answer question 1 and 2 with very clear hand writing. Thank you very much. 1. Find the equation of the tangent plane to the

plz answer question 1 and 2 with very clear hand writing. Thank you very much.

1. Find the equation of the tangent plane to the surface 2 = 2 y cosh exp (x2y) ] at the point where x = 0 and y = 1. 2. For z = In 2 _ ex, calculate the partial derivatives Oz and ay
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