Question

I need to know this answer...

Answer 1

☆Hello friendz

$\frac{2x + \sqrt{4 {x}^{2} - 1 } }{2x - \sqrt{4 {x}^{2} - 1 } } = 4$

2x+2x-1/ 2x-2x-1= 4
4x-1/ -1=4
-4=4x-1
-4+1=4x
-3= 4x
-3/4= x

Hope it helps

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