Delta-K,  Teaching Ideas,  Volume 32, Issue 1

Subtracting Infinities

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 32 Issue 1, August 1994

11

Subtracting Infinities

Sandra M. Pulver

Consider the example, a plain and simple integral on the face of it. But this integral is improper because the integrand is discontinuous on the interior of the interval, that is, at x = 0. So, to solve, we must break it up.