Question

Rationalise the denominator 2/root3-root5

Answer 1

Solution:

Given 2/(√3-√5)

Rationalising denominator , we get

= (√3+√5)/[(√3-√5)(√3+√5)]

= (√3+√5)/[(√3)²-(√5)²]

= (√3+√5)/(3-5)

= (√3+√5)/(-2)

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