Question: For each of the following, find . dy (i) y = ecos (r+vI+In z) (5 ln r+1) (x2 - x)7 y = (2* +

For each of the following, find . dy (i) y = ecos 



For each of the following, find . dy (i) y = ecos (r+vI+In z) (5 ln r+1) (x2 - x)7 y = (2* + 1)5(cos r sin r)4 (ii)

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