## GMAT Practice Question Set #37 (Question 109-111)

Problem Solving Question #110: Square Root of Difference of Squares
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 If a > b > 0, then sqrt(a^2 - b^2) = (A) a+b-sqrt(2ab) (B) a-b+sqrt(2ab) (C) sqrt((a-b)^2-2ab) (D) (sqrt(a+b))(sqrt(a-b)) (E) (sqrt(a) + sqrt(b))(sqrt(a)-sqrt(b))
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