Practicing Success
$\int\limits_{ac}^{bc}f(x)dx$, where c ≠ 0, is also equal to: |
$c\int\limits_a^bf(cx)dx$ $\frac{1}{c}\int\limits_a^bf(\frac{x}{c})dx$ $\frac{1}{c}\int\limits_a^bf(cx)dx$ $c\int\limits_a^bf(\frac{x}{c})dx$ |
$c\int\limits_a^bf(cx)dx$ |
$\int\limits_{ac}^{bc}f(x)dx$; Put x = ct ⇒ dx = c dt ⇒ $I=\int\limits_a^bf(ct)(cdt)=c\int\limits_a^bf(ct)dt$ |