indefinite-integration

Question: $\int_{{}}^{{}}{\frac{dx}{x\sqrt{1-{{(\log x)}^{2}}}}=}$

1) ${{\cos }^{-1}}(\log x)+c$

2) $x\log (1-{{x}^{2}})+c$

3) ${{\sin }^{-1}}(\log x)+c$

4) $\frac{1}{2}{{\cos }^{-1}}(\log x)+c$

Solution:

Explanation: No Explanation

Integration by substitution

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