sing u-substitution, the integral Jf(x)dx reduces to a new integral J glu) du. If g(u) = , evaluate the new integral using aplicable formula and then back-substitute the original variable, where the integral J f(x) dx = x + In |x- 1| + C. Determine the iginal integrand f(x). х-1 A f(x)= B f(x) X-1 x+1 f(x) = X-1 1 f(x) %3D

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