Q10 of 285 Page 370

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

(3 – 4x )5


Formulae :


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•


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Let,


y = (3-4x)5


and u = (3-4x)


therefore, y = u5


Differentiating above equation w.r.t. x,


………… By chain rule



………….


= 5. (3-4x)4. (0-4) ………….


= -20 (3-4x)4


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