Identify the improper rational function among the following.

MATHEMATICS · Single correct · CBSE · Mathematics · Polynomials · Polynomials

Problem

Identify the improper rational function among the following. (a)

\dfrac{4x^{2}+7x-1}{x^{3}-5}

(b)

\dfrac{3x^{3}-2x+5}{x^{2}-1}

(c)

\dfrac{(x+1)^{2}}{2x^{3}}

(d)

\dfrac{5x^{4}}{x^{5}+1}