For the integral

MATHEMATICS · Single correct · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

For the integral

\displaystyle \int x\,(x^{2}+1)^{5}\,dx

, which substitution would most directly simplify the integrand? (a)

u = (x^{2}+1)^{5}

(b)

u = x^{2}

(c)

u = x^{2}+1

(d)

u = 5(x^{2}+1)^{4}