$[x]$,$x$ से कम या उसके बराबर महत्तम पूर्णांक को दर्शाता है। यदि $\{x\}=x-[x]$ और $\lim _{x \rightarrow 0^{-}} \frac{\sin ^{-1}(x+[x])}{2-\{x\}}=\theta$ है,तो $\sin \theta+\cos \theta=$

  • A
    $-1$
  • B
    $0$
  • C
    $1$
  • D
    $\sqrt{2}$

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$\lim _{n \rightarrow \infty} \frac{1}{n^3+1}+\frac{4}{n^3+1}+\frac{9}{n^3+1}+\ldots+\frac{n^2}{n^3+1} = $

$\mathop {Lim}\limits_{n \to \infty } \frac{{{1^2}n + {2^2}(n - 1) + {3^2}(n - 2) + \dots + {n^2} \cdot 1}}{{{1^3} + {2^3} + {3^3} + \dots + {n^3}}}$ का मान ज्ञात कीजिए :

दी गई सीमा का मूल्यांकन करें: $\mathop {\lim }\limits_{x \to 3} \frac{x^{4}-81}{2 x^{2}-5 x-3}$

$\mathop {\lim }\limits_{x \to 0} {\left( {\frac{{1 + 5{x^2}}}{{1 + 3{x^2}}}} \right)^{1/{x^2}}} = $

$\mathop {\lim }\limits_{x \to a} f(x) \cdot g(x)$ का अस्तित्व है,यदि

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