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Expii
Rationalize the Denominator - Expii
To rationalize the denominator of a fraction with radicals in the denominator, just multiply both the numerator and denominator by a conjugate of the denominator. For example, 1/√x = √x/x, and 1/(3+√2) = (3-√2)/(3^2 - 2) = (3-√2)/7.