`int(cot(logx))/(x)dx` का मान ज्ञात कीजिए ।

Explanation

माना `I=int(cot(logx))/(x)dx`
माना `" "logx=t`
`rArr" "(1)/(x)=(dt)/(dx)`
`rArr" "(1)/(x)dx=dt`
`therefore" "I=intcot tdt`
`" "=log|sint|+c`
`" "=log|sin(logx)|+c`