Question

√30÷√2+√4 rationalise

Answer 1

Answer:

√15 + √30

Step-by-step explanation:

$==:\frac{\sqrt{30} }{\sqrt{2}+2 } \\==:\frac{\sqrt{30} }{\sqrt{2}+2 } * \frac{{\sqrt{2}-2 }}{{\sqrt{2}-2 }} \\==: \frac{2\sqrt{15} - 2\sqrt{30} }{2-4} \\==: \frac{2(\sqrt{15} - \sqrt{30} }{-2}\\ ==: \sqrt{15} + \sqrt{30$

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