Q. $\lim_{x \rightarrow 1}\frac{2x^{2} + x - 3}{3x^{3} - 3x^{2} + 2x - 2}$ is equal to

A) 1
B) 2
C) -1
D) -2
Explanation

(a)
$\lim_{x \rightarrow 1}\frac{2x^{2} + x - 3}{3x^{3} - 3x^{2} + 2x - 2} = \lim_{x \rightarrow 1}\frac{(2x + 3)(x - 1)}{\left( 3x^{2} + 2 \right)(x - 1)}$
$= \lim_{x \rightarrow 1}{\frac{2x + 3}{3x^{2} + 2} = 1}$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.