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Question
Rationalise the denominators of : `1/(sqrt3 - sqrt2 )`
Solution
`1/(sqrt3 - sqrt2 ) xx ((sqrt3 + sqrt2)/(sqrt3 + sqrt2)) = sqrt( 3 + sqrt2)/[(sqrt3)^2- (sqrt2)^2] = [sqrt3 + sqrt2]/[ 3 - 2 ]`
= `sqrt3 + sqrt2`
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