Calculus
# Calculus Warmups

True or False?

If we differentiate the volume of a sphere with respect to the radius, we will obtain the surface area.

True or False?

The constant $e$ is rational.

True or False?

$i^ i$ is **not** a real number.

True or False?

$\frac{1}{ 1^2 } + \frac{1}{2^2 } + \frac{ 1 } { 3^2 } + \frac{1}{4^2 } + \ldots = \frac{ \pi ^2 } { 6 }$

True or False?

There is a volume of revolution which has infinite volume but finite surface area.