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`int(dx)/(x[1+logx]^(n))`का मान ज्ञात कीजिये ।

Answer» माना ` I = int (dx)/(x[1+logx]^(n))`
माना `1 + log x = t rArr (1)/(x) dx =dt`
`therefore " "I = int(dt)/(t^(n)) = int t^(-n) dt = (t^(-n+1))/(-n+1) = (1)/((1-n)t^((n-1))`


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