Question

$\sqrt{15} \times \sqrt{20} \: is \: equal \: to$
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Answer 1

√15×√20

= √(15×20)

= √(3×5×5×2×2)

= √(3×5²×2²)

= 5×2√3

= 10√3 Ans.

Answer 2

Answer:

▪︎root 15 × root 20

= 3.873 × 4.472

= 17.320056

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