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Simplfying Radicals

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Source: — Problem Solving |
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by cramya » Thu Dec 04, 2008 6:23 pm
sqrt(a^2-b^2)

The a^2-b^2 inside the square root cane be broken in to (a+b) (a-b)

Therefore it will be

sqrt((a+b)(a-b)) = sqrt(a+b) * sqrt(a-b)

sqrt(2*3) = sqrt(2) * sqrt(3)
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