rationalize:- 3/✓7-✓2
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=3/√7-√2
=3(√7+√2)/(√7-√2)(√7+√2)
=3(√7+√2)/(√7)²-(√2)²
=3(√7+√2)/7-2
=3/5(√7+√2)
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This is ur answer
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