How do you factor the Minus Sign out of the radical $\displaystyle 1-\sqrt{1-x} $
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Originally Posted by BadMaterial How do you factor the Minus Sign out of the radical $\displaystyle 1-\sqrt{1-x} $ I think you are looking to do this $\displaystyle 1-\sqrt{1-x} $ $\displaystyle 1-\sqrt{-1(x-1)} $ If you know complex numbers then... $\displaystyle 1-\sqrt{-1}\sqrt{(x-1)} $ $\displaystyle 1-i\sqrt{(x-1)} $
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