જો $\lim _{x \rightarrow 0} \frac{e^{a x}-\cos (b x)-\frac{c x e^{-c x}}{2}}{1-\cos (2 x)}=17$ હોય,તો $5 a^2+b^2$ ની કિંમત શોધો.

  • A
    $72$
  • B
    $76$
  • C
    $68$
  • D
    $64$

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Similar Questions

જો $\lim _{x \rightarrow \infty}\left(\frac{x^2+1}{x+1}-a x-b\right)=0$,જ્યાં $a, b \in R$,તો:

જો $\lim _{x \rightarrow 3} \left( \frac{x^n - 3^n}{x - 3} \right) = 108$ અને $n \in N$ હોય,તો '$n$' ની કિંમત શોધો.

જો $f(x) = \frac{ax + b}{x + 1}$,$\lim_{x \rightarrow \infty} f(x) = 1$ અને $\lim_{x \rightarrow 0} f(x) = 2$ હોય,તો $f(-2)$ ની કિંમત શોધો.

$\lim _{x}$ ${\rightarrow -a} \frac{x^7+a^7}{x+a} = 7$ $\Rightarrow a = ?$

જો $\mathop {\lim }\limits_{x \to \infty } \left\{ {\ln \left( {{x^2} + 5x} \right) - 2\ln \left( {cx + 1} \right)} \right\} = -2$ હોય,તો:

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