AP-CALCBC-8.13

U8.13 Arc Length

Compute the arc length of a curve y = f(x) on [a, b] using L = ∫_a^b √(1 + [f'(x)]²) dx. Recognize the formula's origin in Pythagorean infinitesimal segments.

What you'll do in this lesson

A voice-first session with the Crimsora tutor on U8.13 Arc Length, then targeted practice and FRQs — with the tutor adapting to where you get stuck.