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निम्न फलनों के मान ज्ञात कीजिये - `int_(0)^(a)(d)/(sqrt(a^(2)-x^(2)))` |
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Answer» माना `I=int_(0)^(a)(d)/(sqrt(a^(2)-x^(2)))=[sin^(-1)((x)/(a))]_(0)^(a)` `=sin^(-1)((a)/(a))-sin^(-1)((0)/(a))` `=sin^(-1)1-sin^(-1)0` `=(pi)/(2)-0=(pi)/(2)` |
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