Rationalise 1/root5 -root11 +root6
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Answer:
(√5+√6)-√11/(√5+√6)^2-(√11)^2
=√5+√6-√11/5+6+2√30-11
=【√5+√6-√11】/2√30
=√30【√5+√6-√11】/60
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