MCQ
$ \lim_\limits{\text{x}→0} \sin\text{x} (\sqrt{\text{x} + 1} - \sqrt{(1- \text{x})}$ is:
- A2
- B0
- C1
- D-1
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The total number of terms in the expansion of (x + a)100 + (x - a)100 after simplification is: