_ x 0 ae^x+b +c.e^x ^2x =4 then b: - Vidyadip

MCQ

$\lim\limits_{\text{x}\rightarrow0}\frac{\text{ae}^\text{x}+\text{b}\cos\text{x}+\text{c.e}^\text{x}}{\sin^2\text{x}}=4$ then $\text{ b:}$

✓
$2$
B
$4$
C
$-2$
D
$-4$

✓

Answer

Correct option: A.

$2$

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