Im not exactly sure how the square root of 1-(-1/3)/2 = the square root of 2/3? Can someone explain this for me?
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so you go from \sqrt{\frac{\frac{4}{3}}{2}} to \displaystyle = \sqrt{\frac{2}{3}} by multiplying the 2 by the 3 and leaving the 4 ontop?
i think i understand, you dont know how much i appreshiate the help !
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