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`int_(1)^(2)(dx)/(xsqrt(x^(2)-1))` का मान ज्ञात कीजिए। |
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Answer» `int_(1)^(2)(dx)/(xsqrt(x^(2)-1))` `=[sec^(-1)x]_(1)^(2)=sec^(-1)2-sec^(-1)1` `=(pi)/(3)-0=(pi)/(3)` |
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