Q. 94.5( 4 Votes )

Differentiate each of the following w.r.t. x:

(5 + 7x)6

Answer :

Formulae :






Let,


y = (5+7x)6


and u = (5+7x)


therefore, y = u6


Differentiating above equation w.r.t. x,


………… By chain rule



………….


= 6. (5+7x)5. (0+7) ………….


= 42. (5+7x)5


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