Explain, in one to two sentences, how the relative magnitudes of two polar radii and…

MATHEMATICS · Subjective · AP · Calculus BC · Parametric, Polar, and Vector-Valued Functions · Parametric, Polar, and Vector-Valued Functions

Problem

Explain, in one to two sentences, how the relative magnitudes of two polar radii

r_1(\theta)

and

r_2(\theta)

determine the integrand when setting up the definite integral for the area of the region that lies between the two curves.