Find the square roots of the following numbers by the Prime Factorisation Method.ii. 400
Harshit Singh , 3 Years ago
Grade 12th pass
Magical Mathematics[Interesting Approach]> Find the square roots of the following nu...
1 AnswersHarshit Singh
Last Activity: 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
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