$\lim _{x \rightarrow \infty} x^3 \left[ \sqrt{x^2 + \sqrt{x^4 + 1}} - \sqrt{2} x \right] = $

  • A
    $0$
  • B
    $1$
  • C
    $\frac{1}{4 \sqrt{2}}$
  • D
    $\frac{3}{2 \sqrt{2}}$

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$\lim _{x \rightarrow 0} \frac{15^{x}-5^{x}-3^{x}+1}{1-\cos 2 x}$ का मान है

$\lim _{x \rightarrow 3} \frac{x^3-27}{x^2-9} = $

$\lim _{x \rightarrow 2}\left(\sum_{n=1}^{9} \frac{x}{n(n+1) x^{2}+2(2 n+1) x+4}\right)$ का मान ज्ञात कीजिए :

यदि $\lim _{x \rightarrow \infty}\left(\frac{11 x^3-3 x+4}{13 x^3-5 x^2-7}\right)=\frac{a}{b}$ है,तो $a+b$ का मान क्या होगा?

प्रत्येक $t \in R$ के लिए,मान लीजिए $[t]$,$t$ से छोटा या उसके बराबर सबसे बड़ा पूर्णांक है। तो $\lim_{x \to 0^+} x \left( [\frac{1}{x}] + [\frac{2}{x}] + \dots + [\frac{15}{x}] \right) = $

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