10√2 -------- √5 10√2 √5 ------------ {multiplied top and bottom by √5 to eliminating radical sign in denominator} √5 √5 10√10 --------- {multiplied square roots on top and bottom} √25 10√10 ---------- {evaluated √25 to be 5} 5 = 2√10 {cancelled 10 and 5} © Algebra House
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