यदि $\lim _{x \rightarrow 0} \frac{\sin (2+x)-\sin (2-x)}{x}=A \cos B$ है,तो $A$ और $B$ के मान क्रमशः क्या हैं?

  • A
    $1, 2$
  • B
    $2, 1$
  • C
    $1, 1$
  • D
    $2, 2$

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$\lim_{x \rightarrow \frac{\pi}{2}} (\tan^{2} x (\sqrt{2 \sin^{2} x + 3 \sin x + 4} - \sqrt{\sin^{2} x + 6 \sin x + 2}))$ का मान ज्ञात कीजिए।

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यदि $\beta = \lim_{x \rightarrow 0} \frac{e^{x^3} - (1 - x^3)^{1/3} + ((1 - x^2)^{1/2} - 1) \sin x}{x \sin^2 x}$ है,तो $6 \beta$ का मान ज्ञात कीजिए।

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