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`int ((tan^(-1)x)^(4))/(1+x^(2)) dx` का मान ज्ञात कीजिए। |
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Answer» माना `tan^(-1) x =t rArr " " (1)/(1+x^(2))dx = dt` ` therefore int((tan^(-1)x)^(4))/(1+x^(2)) dx = int t^(4) dt = (t)/(5) = (1)/(5)(tan^(-1) x)^(5)` |
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