$\mathop {\lim }\limits_{x \to 0} \frac{{\cos ax - \cos bx}}{{{x^2}}} = $

  • A
    $\frac{{{a^2} - {b^2}}}{2}$
  • B
    $\frac{{{b^2} - {a^2}}}{2}$
  • C
    ${a^2} - {b^2}$
  • D
    ${b^2} - {a^2}$

Explore More

Similar Questions

$\lim _{x \rightarrow 1} \frac{\log x}{1-x} = $

मान लीजिए कि $a > 0$ एक वास्तविक संख्या है। तब सीमा $\lim _{x \rightarrow 2} \frac{a^x+a^{3-x}-\left(a^2+a\right)}{a^{3-x}-a^{x / 2}}$ का मान ज्ञात कीजिए।

$\mathop {\lim }\limits_{x \to \pi /2} \tan x \log \sin x = $

$\mathop {\lim }\limits_{x \to \pi /2} \left[ {x\tan x - \left( {\frac{\pi }{2}} \right)\sec x} \right] = $

$\lim _{x \rightarrow 0} \left( \frac{3^{x}-1}{x} \right)$ का मान ज्ञात कीजिए।

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo