Answers

2014-02-24T09:49:46+01:00
√5(√147 - √12) / √15
√5(√(49 * 3) - √(4 * 3))/ √15
√5( 7√3 - 2√3) / √15
√5(5√3) / √15
\frac{5\sqrt{15}}{\sqrt{15}}

(Rationalize the denominator)
= \frac{(5\sqrt{15})(\sqrt{15})}{(\sqrt{15})(\sqrt{15})}

= \frac{5 * 15}{15}

= 5

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