If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

𝘶-substitution: defining 𝘶

AP.CALC: FUN‑6 (EU), FUN‑6.D (LO), FUN‑6.D.1 (EK)


Chioma was asked to find integral, left parenthesis, 18, x, squared, plus, 3, right parenthesis, left parenthesis, 6, x, cubed, plus, 3, x, right parenthesis, start superscript, 6, end superscript, d, x using u-substitution.
How should Chioma define u?
Choose 1 answer: