Question

Divide 3√20 by 4√5



please answer me

Answer 1

Answer:

3√20 ÷ 4√5

rationalising the denominator by 4√5

3√20 × 4√5 ÷ 4√5 × 4√5

12√100 ÷ 80

12 × 10 ÷ 80

120 ÷ 80

= 3/2

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Answer 2

Answer:

hola your answer

$\frac{3 \sqrt{20} }{4 \sqrt{5} } ( \sqrt{20} = \sqrt{2 \times 2 \times 5} ) \\ so \\ we \: can \: write \: \sqrt{20} \: \: as \: \sqrt[4]{5} \\ \\ now \: dividing \\ \\ 3 \times \sqrt[4]{5} \div \sqrt[4]{5} \\ = 3\: \: ans$

I hope it helps

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