Question:
If $x$ is a solution of the equation,
$\sqrt{2 x+1}-\sqrt{2 x-1}=1,\left(x \geq \frac{1}{2}\right)$, then $\sqrt{4 x^{2}-1}$ is equal
to :
Correct Option: 1
JEE Main Previous Year Online April 10, 2016
Solution:
If $x$ is a solution of the equation,
$\sqrt{2 x+1}-\sqrt{2 x-1}=1,\left(x \geq \frac{1}{2}\right)$, then $\sqrt{4 x^{2}-1}$ is equal
to :
Correct Option: 1