$\lim _{x \rightarrow 0} \left( \frac{x \cdot 10^x - x}{1 - \cos x} \right)$ का मान ज्ञात कीजिए।

  • A
    $\log 10$
  • B
    $2 \log 10$
  • C
    $3 \log 10$
  • D
    $4 \log 10$

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$\mathop {\lim }\limits_{x \to a} \frac{{\sqrt {3x - a} - \sqrt {x + a} }}{{x - a}} = $

यदि $f(a)=2, f^{\prime}(a)=1, g(a)=-1, g^{\prime}(a)=2$ है,तो जैसे ही $x, a$ के करीब पहुँचता है,$\frac{g(x) f(a)-g(a) f(x)}{x-a}$ का मान क्या होगा?

दिए गए सीमा (limit) का मूल्यांकन करें: $\mathop {\lim }\limits_{x \to \frac{\pi }{2}} \frac{\tan 2x}{x-\frac{\pi}{2}}$

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