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How many of the following statements are correct?1. ∫1√a2−x2dx=1asin−1(xa) + c2. ∫1|x|√x2−1dx=sec−1(x) + c___

Answer» How many of the following statements are correct?

1. ∫1√a2−x2dx=1asin−1(xa) + c

2. ∫1|x|√x2−1dx=sec−1(x) + c
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