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posted by Unknown on Wednesday, August 29, 2012 at 11:20am.

Help ? 1. x-3x^1/2+2=0

let u = x^1/2. then you have u^2 - 3u + 2 = 0 (u-2)(u-1) = 0 u = 1 or 2 so, x^1/2 = 1 or 2 x = 1 or 4

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