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`int(logx)/(x)dx` का मान ज्ञात कीजिए । |
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Answer» माना `I=int(logx)/(x)dx` माना `" "logx=t` `rArr" "(1)/(x)=(dt)/(dx)` `rArr" "(dx)/(x)=dt` `therefore" "I=int t dt=(t^(2))/(2)+c=(1)/(2)(logx)^(2)+c` |
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