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the solution is by adjustment
take the x out to get the form x[(x^n) -1] in the dr.
introduce x^(n-1) in the nr. and dr.
and then use t = x^n as substitution
answer and some steps are given below
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index of problems with some classification --------------index
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formulae on sequences and series
(trig. formulae)
(integration formulae)
(other math problems without classification) or problem index
(formulae on differentiation)
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tags: integration, substitution, math , homework help