Limit of a Rational Function

Rarely Tested

Limit of a Rational Function

For:

$$f(x)=\frac{P(x)}{Q(x)}$$

if:

$$Q(a)\neq0$$

then:

$$\lim_{x\to a}\frac{P(x)}{Q(x)}=\frac{P(a)}{Q(a)}$$

Usage

- Used for direct substitution in rational functions when the denominator is non-zero.

No related questions available for this formula yet.

Go back to topics

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.