यदि $f(x)=3 x^{15}-5 x^{10}+7 x^5+50 \cos (x-1)$ है,तो $\lim _{h \rightarrow 0} \frac{f(1-h)-f(1)}{h^3+3 h}=$

  • A
    -$25$
  • B
    $25$
  • C
    -$10$
  • D
    $10$

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Similar Questions

$\lim _{x \rightarrow \frac{\pi}{2}}\left(\frac{1}{\left(x-\frac{\pi}{2}\right)^2} \int_{x^3}^{\left(\frac{\pi}{2}\right)^3} \cos \left(t^{1/3}\right) d t\right)$ का मान ज्ञात कीजिए।

$\mathop {\lim }\limits_{x \to \pi /6} \left[ {\frac{{3\sin x - \sqrt 3 \cos x}}{{6x - \pi }}} \right] = $

मान लीजिए $f: R \rightarrow R$, $x=0$ पर अवकलनीय है। यदि $f(0)=0$ और $f'(0)=2$ है, तो $\lim _{x \rightarrow 0} \frac{1}{x} [f(x)+f(2 x)+f(3 x)+\ldots+f(2015 x)]$ का मान ज्ञात कीजिए।

$\lim _{x \rightarrow \frac{\pi}{2}} \left(\frac{2x-\pi}{\cos x}\right)$ का मान ज्ञात कीजिए।

यदि $f(x) = 3x^{10} - 7x^8 + 5x^6 - 21x^3 + 3x^2 - 7$ है,तो $\lim_{\alpha \rightarrow 0} \frac{f(1-\alpha) - f(1)}{\alpha^3 + 3\alpha} = $

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