ધારો કે $f: R \rightarrow R$ એક વિધેય છે જેથી $f(2)=4$ અને $f^{\prime}(2)=1$ થાય. તો,$\lim _{x \rightarrow 2} \frac{x^{2} f(2)-4 f(x)}{x-2}$ ની કિંમત શોધો.

  • A
    $4$
  • B
    $8$
  • C
    $16$
  • D
    $12$

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$\lim _{x \rightarrow \frac{\pi}{4}} \frac{4 \sqrt{2}-(\cos x+\sin x)^5}{1-\sin 2 x} = $

જો $\alpha = \lim_{x \rightarrow 0} \frac{x \cdot 2^x - x}{1 - \cos x}$ અને $\beta = \lim_{x \rightarrow 0} \frac{x \cdot 2^x - x}{\sqrt{1 + x^2} - \sqrt{1 - x^2}}$ હોય,તો

જો $f$ એ ચુસ્ત રીતે વધતું વિધેય હોય,તો $\mathop {\lim }\limits_{x \to 0} \frac{{f({x^2}) - f(x)}}{{f(x) - f(0)}}$ ની કિંમત શોધો.

ધારો કે $f(x) = x^{6} + 2x^{4} + x^{3} + 2x + 3$,$x \in R$. તો પ્રાકૃતિક સંખ્યા $n$ શોધો જેના માટે $\lim_{x \rightarrow 1} \frac{x^{n} f(1) - f(x)}{x - 1} = 44$ થાય.

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