integral [sqrt(X) . ln(x)] thanx
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Originally Posted by alex83 integral [sqrt(X) . ln(x)] thanx Yes. $\displaystyle u = \ln x,\; dv = \sqrt{x}$
Originally Posted by danny arrigo Yes. $\displaystyle u = \ln x,\; dv = \sqrt{x}$ thanks for replying that was helpful would u pls tell me if the answer i got is right ?? 2/3[lnx. x^(3/2)]-(4/9)(x^(3/2))
$\displaystyle \int\sqrt{x}\log x dx = \frac{2}{3}\sqrt{x}^3\log x - \frac{2}{3}\int \sqrt{x}dx$
Originally Posted by alex83 thanks for replying that was helpful would u pls tell me if the answer i got is right ?? 2/3[lnx. x^(3/2)]-(4/9)(x^(3/2)) You can check answers by differentiating them. Do you get back the integrand?
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