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`sin2x . sqrt(a^(2) - cos^(2)x)` का समाकलन कीजिये। |
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Answer» Correct Answer - `(2)/(3)(a^(2) - cos^(2)x)^(3//2)` `I = intsin 2xsqrt(a^(2) - cos^(2)x).dx` ` = intsqrt((a^(2) - cos^(2)x)). sin2x dx` `a^(2) - cos^(2) x = t^(2)` रखने पर `rArr " "sin2x dx = 2tdt` तब `I = intsqrt(t^(2)).2tdt` |
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