

MCQOPTIONS
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1. |
\[\underset{x\to 0}{\mathop{\lim }}\,\frac{\sqrt{1+x}-\sqrt{1-x}}{{{\sin }^{-1}}x}=\] [AI CBSE 1989, 90; DSSE 1989] |
A. | 2 |
B. | 1 |
C. | ?1 |
D. | None of these |
Answer» C. ?1 | |