Differentiate each of the following w.r.t. x:
(5 + 7x)6
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