sqrt(1-x^2)/(2-2*x^2) --/--> 1/(2*sqrt(1-x^2))

• Subject: sqrt(1-x^2)/(2-2*x^2) --/--> 1/(2*sqrt(1-x^2))
• From: Barton Willis
• Date: Tue, 31 Jan 2012 19:12:08 -0600

The general simplifier does sqrt(1-x^2)/(1-x^2) --> 1/sqrt(1-x^2), but it doesn't
simplify sqrt(1-x^2)/(2-2*x^2) to 1/(2*sqrt(1-x^2)). Ratsimp, radcan, and rootscontract
don't do this simplification either. 

--Barton

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