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Question
Write in descending order: 7√3 and 3√7
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Solution
7√3 = `sqrt( 7^2 xx 3 ) = sqrt(147)`
3√7 = `sqrt( 3^2 xx 7 ) = sqrt(63)`
147 > 63
⇒ `sqrt(147) > sqrt (63)`
⇒ 7√3 > 3√7
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