Find the derivative of the function given by and hence find .

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

16. Find the derivative of the function given by f(x)=(1+x)(1+x2)(1+x4)(1+x8)f(x)=(1+x)\left(1+x^{2}\right)\left(1+x^{4}\right)\left(1+x^{8}\right) and hence find f′(1)f^{\prime}(1).

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