Rationalise the denominator 1/root9-root3
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》Root {9} = -3 or +3 because -3×-3=9 & 3×3 = 9.
》To rationalize multiply the same number by changing the operator ie. + to - or - to + .
》Root {9} = -3 or +3 because -3×-3=9 & 3×3 = 9.
》To rationalize multiply the same number by changing the operator ie. + to - or - to + .
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