\sqrt{ (72)/(100) } it's a maths question ​

Question

`\sqrt{ (72)/(100) }` it's a maths question
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Answer 1

True the answer is (3,2)

Answer 2

`\sqrt{ (72)/(100) } = \sqrt{ (9 * 4 * 2)/(10 * 10) } = (6 √(2) )/(10) = (3 √(2) )/(5)`

(3√2)/5 is the right answer.