यदि $a = \lim_{x \rightarrow 0} \frac{\sqrt{1+\sqrt{1+x^4}}-\sqrt{2}}{x^4}$ और $b = \lim_{x \rightarrow 0} \frac{\sin^2 x}{\sqrt{2}-\sqrt{1+\cos x}}$ है,तो $ab^3$ का मान ज्ञात कीजिए।

  • A
    $36$
  • B
    $32$
  • C
    $25$
  • D
    $30$

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यदि $[x]$ उस महत्तम पूर्णांक को दर्शाता है जो $x$ से कम या उसके बराबर है,तो $\mathop {\lim }\limits_{x \to 1} (1 - x + [x - 1] + [1 - x])$ का मान क्या है?

$\mathop {\lim }\limits_{x \to \infty } \frac{{{{\cot }^{ - 1}}\left( {\sqrt {x + 1} - \sqrt x } \right)}}{{{{\sec }^{ - 1}}\left\{ {{{\left( {\frac{{2x + 1}}{{x - 1}}} \right)}^x}} \right\}}}$ का मान ज्ञात कीजिए।

$\lim _{x \rightarrow 0} \frac{\sqrt{1+x \sin x}-\sqrt{\cos x}}{\tan ^2 2 x}=$

$\mathop {\lim }\limits_{x \to 0} {\left( {\frac{{1 + \tan x}}{{1 + \sin x}}} \right)^{\text{cosec } x}}$ का मान ज्ञात कीजिए।

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$\mathop {\lim }\limits_{x \to \infty } {\left( {\frac{{{x^2} + 5x + 3}}{{{x^2} + x + 3}}} \right)^x} = $

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