4 × √3 + 5 × √2 / √48 + √18
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Answer: 4√3+5√2\ √48 +√18
Take the LCM of √48 and √18 and take the square out
= 4 √ 3 + 5 √ 2 \ 4 √ 3 + 3 √ 2
= 4 √ 3 + 5 √ 2 × 4 √ 3 - 3 √ 2 \ 4 √ 3 +
3 √ 2 × 4 √ - 3 √ 2
= 16 × 3 - 15 × 2 \ 16 × 3 -9 × 2
= 48 - 30 \ 48 - 18
= 18 \ 30
= 3 \ 5
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