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Best Answer

int x ln5x dx

by parts

u = ln5x

du = 1/5x or 5x^-1

dv = x

v = 1/2x^2

uv - int v du

ln5x 1/2x^2 - int 1/2x^2 5x^-1

1/2ln5x*x^2 - 1/6x^3 5x + C

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Q: Integration of x ln 5x dx?
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