The Most Unintuitive Common Sense Problem

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This is proof that I am a god of destruction.I cannot solve this problem,only create it.Muhauhaahhahaahahha.Find f ( 0 ) {f}({0}) if f ( 2 x ) = 2 f ( x ) ( 1 − f ( x ) 2 ) 1 / 2 {f}({{2}{x}}) = {2}{f}({x})(1-{f}({x})^2)^{1/2}


The answer is 0.

Aaryan Vaishya by aaryan vaishya , 14, USA

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1 solution

Aaryan Vaishya
Oct 19, 2019

As I said, I can't solve it.But f(x) is the sin function so f(0)=0.

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