$\lim _{x \rightarrow 0} \frac{63^x-9^x-7^x+1}{\sqrt{2}-\sqrt{1+\cos x}}=\ldots$.

  • A
    $\frac{4 \sqrt{2}}{\log 7 \cdot \log 9}$
  • B
    $4 \sqrt{2} \log 7 \cdot \log 9$
  • C
    $4 \sqrt{2} \log 63$
  • D
    $\frac{\log 7 \cdot \log 9}{4 \sqrt{2}}$

Explore More

Similar Questions

$\mathop {\lim }\limits_{x \to \infty } (\sqrt {{a^2}{x^2} + ax + 1} - \sqrt {{a^2}{x^2} + 1})$ का मान क्या है?

यदि $S_1 = \sum_{r=1}^{n} r$,$S_2 = \sum_{r=1}^{n} r^2$,और $S_3 = \sum_{r=1}^{n} r^3$ है,तो $\lim_{n \rightarrow \infty} \frac{S_1(1 + \frac{S_3}{4})}{S_2^2}$ का मान ज्ञात कीजिए।

$\lim _{x \rightarrow 1} \frac{(2 x-3)(\sqrt{x}-1)}{2 x^2+x-3}$

$\lim _{x \rightarrow \infty}\left[\sqrt{x^2+2 x-1}-x\right]$ का मान ज्ञात कीजिए :

$\lim _{x \rightarrow 0} \frac{\sqrt{x^2+100}-10}{x^2} = $

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