Rationalise the denominator 1/√7+√2
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Answer:
it's given 1/√7+√2
rationalizing the denominator =1/√7+√2 × √7-√2/√7-√2
= √7-√2/(√7+√2)(√7-√2)
=√7-√2/(√7)²-(√2)²
=√7-√2/7-2
=√7-√2/5
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