II/2 dx 7. Apply differentiation under integral sign to evaluate (a sin x+b cos x) dx...

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II/2 dx 7. Apply differentiation under integral sign to evaluate (a sin x+b cos x) dx 8. Use gamma function to prove that - = II/3 (1-x)16 9. Find the volume or surface area of solid generated by revolving the cycloid x = a(0+sin), y= a(1+cose) about its base. II/2 dx 7. Apply differentiation under integral sign to evaluate (a sin x+b cos x) dx 8. Use gamma function to prove that - = II/3 (1-x)16 9. Find the volume or surface area of solid generated by revolving the cycloid x = a(0+sin), y= a(1+cose) about its base.