rationalize the denominator of the following. 3/√7-√2
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3/√7-2 rationalise
=3/√7-2 × √7+√2/√7+2
= 3(√7+2)/√7^2-2^2
= 3(√7+2)/7-4
=3 (√7+2)/3
= √7+2
bro your question is wrong.
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