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

CAT 2021 Slot 1 QA · Question 4

If 5 - $lo g_{10} 1 + x$ + 4 $lo g_{10} 1 - x$ = $lo g_{10} \frac{1}{1 - x ^{2}}$ , then 100 x equals

Type-in answer (TITA): no options, no negative marking.