How to Prove the Relation in the Gamma Function?

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Prove the relation given in the following word file,
I would like to request you to please help me to solve it even if it is a standard relation.
 

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SANGHERA.JAS said:
Prove the relation given in the following word file,
I would like to request you to please help me to solve it even if it is a standard relation.
See https://www.physicsforums.com/showthread.php?t=5374
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well start with the defintion of a gamma function, and then post where you run into trouble?
 
Prove $$\int\limits_0^{\sqrt2/4}\frac{1}{\sqrt{x-x^2}}\arcsin\sqrt{\frac{(x-1)\left(x-1+x\sqrt{9-16x}\right)}{1-2x}} \, \mathrm dx = \frac{\pi^2}{8}.$$ Let $$I = \int\limits_0^{\sqrt 2 / 4}\frac{1}{\sqrt{x-x^2}}\arcsin\sqrt{\frac{(x-1)\left(x-1+x\sqrt{9-16x}\right)}{1-2x}} \, \mathrm dx. \tag{1}$$ The representation integral of ##\arcsin## is $$\arcsin u = \int\limits_{0}^{1} \frac{\mathrm dt}{\sqrt{1-t^2}}, \qquad 0 \leqslant u \leqslant 1.$$ Plugging identity above into ##(1)## with ##u...
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