If 5 - log _10 √(1+x)) + 4 log _10 √(1-x)) = log _10 11-x^2) , then 100 x equals

CAT 2021 Slot 1 QA Q4 Logarithms & Exponents

Question 4 of the Quantitative Ability (QA) section, CAT 2021 Slot 1, with CAT's official answer.

If 5 - \(\log\) _{10} \sqrt{1+x}) + 4 \(\log\) _{10} \sqrt{1-x}) = \(\log\) _{10} \frac{1}{\sqrt{1-x^{2}}}) , then 100 x equals

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Answer: 99 Logarithms & Exponents TITA

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