AP and TS EAMCET Engineering Model Paper 20

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Question : 66 of 160
 
Marks: +1, -0
Assertion (A) :
d
dx
{(x+1)(x2+1)(x4+1)(x8+1)}
=
15x16−16x15+1
(x−1)2

Reason (R): (x+1)(x2+1)(x4+1)(x8+1) =
x16−1
x−1

Which one of the following is correct?
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