2] Rationalize the denominator: 3√5 /7√8
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Answer:
Step-by-step explanation:
5/√7+√8
it can be written as√8+√7
=5/√8+√7 × √8-√7 / √8-√7
=5√8-5√7 / (√8)²- (√7)²
=5√8-5√7 / 64 -49
=5√8-5√7 / 15
= √8-√7 / 3
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