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