_ x 1 x - 1 2 x^2 - 7x + 5 = - Vidyadip

MCQ

$\mathop {\lim }\limits_{x \to 1} \frac{{x - 1}}{{2{x^2} - 7x + 5}} = $

A
$1/3$
B
$1/11$
✓
$-1/3$
D
None of these

✓

Answer

Correct option: C.

$-1/3$

c
(c) $\mathop {\lim }\limits_{x \to 1} \,\,\frac{{x - 1}}{{(x - 1)\,(2x - 5)}} = - \frac{1}{3}$.

Aliter : Apply $L$- Hospital’s rule.

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