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प्रश्न
Evaluate the following integrals : `int sqrt(1 + sin 2x) dx`
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उत्तर
`int sqrt(1 + sin 2x) dx`
= `intsqrt(cos^2x + sin^2x + 2sin x cos x) dx`
= `intsqrt((cos x + sin x)^2)dx`
= `int(cos x + sinx)dx`
= `int cos x dx + int sin x dx`
= sin x – cos x + c.
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