Volumes of Revolution (Edexcel A-Level Further Mathematics): Quizzes

$V = \pi \int_a^b y^2 \, dx$

$360°$

$V = \pi \int_a^b x^2 \, dy$

It is squared to give $y^2$

y-limits

Rearrange to get $x = f(y)$

Discs

$\pi$

In exact form

$x^4$