$\lim _{x \rightarrow \frac{\pi}{2}} \left(\frac{2x-\pi}{\cos x}\right)$ ની કિંમત શોધો.

$\mathop {\lim }\limits_{x \to 1 } \frac{{\left( {\log \left( {1 + x} \right) - \log 2} \right)\left( {3 \cdot 4^{x - 1} - 3x} \right)}}{{\left( {{{\left( {7 + x} \right)}^{1/3}} - {{\left( {1 + 3x} \right)}^{1/2}}} \right)\sin \pi x}}$ ની કિંમત શોધો.

લક્ષની કિંમત શોધો: $\lim _{x \rightarrow -9} \frac{(2.5)^{81-x^2}-(0.4)^{x+9}}{x+9}$

$\mathop {\lim }\limits_{x \to 0} \frac{{\log \cos x}}{x} = $

$\mathop {\lim }\limits_{x \to \pi /4} \frac{{{{\cot }^3}x - \tan x}}{{\cos \left( {x + \pi /4} \right)}}$ ની કિંમત શોધો.

$\lim _{x \rightarrow 0} \frac{\log _{e}(1+x)}{3^{x}-1}$ ની કિંમત શોધો.