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integral of x*sqrt(x+2) using substitution
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 .∫ x*sqrt(x+2)  dx
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use u=sqrt(x+2) as substitution
so that x = u² -2
find dx ,then substitute into the given integral to
obtain everything in terms of u
expand and then integrate
answer and  some steps are given below
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integral of x*sqrt(x+2)
integration formulae

(trig. formulae) 





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