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Find the square roots of the following numbers by the Prime Factorisation Method. ii. 400

Find the square roots of the following numbers by the Prime Factorisation Method.  ii. 400  

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

400 = 2×2×2×2×5×5×1
⇒ 400 = (2×2)×(2×2)×(5×5) ⇒400 = (2×2×5)×(2×2×5)⇒ 400 = (2×2×5)2⇒√400=2×2×5=20
Thanks

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