if Y =(1+x) (1+x^2) (1+x^4) (1+x^8) then find f '(x) at x=1
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Let y = (1 + x)(1 + x^2)( 1+ x^4)(1+x^8)
Taking log both sides we get,
Since,
For more explanation..please refer to the attachment.
Hence your final answer is 120.
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