Test your knowledge of surface area and volume of revolutions in calculus with t...

The element of surface area

The circumference of the curve

The radius of revolution

The element of arc length (correct)

π∫[a,b] (f(x))^2 (1 + (f'(x))^2) dx

2π∫[a,b] f(x) √(1 + (f'(x))^2) dx (correct)

π∫[a,b] (f(x))^2 √(1 + (f'(x))^2) dx

2π∫[a,b] f(x) (1 + (f'(x))^2) dx

π∫[a,b] (f(x))^3 dx

π∫[a,b] f(x) √(1 + (f'(x))^2) dx

π∫[a,b] (f(x))^2 dx (correct)

π∫[a,b] f(x) dx