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InterviewSolution
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Find the square roots of the following numbers by the Prime Factorisation Method.(i) 729 (ii) 400 (iii) 1764 (iv) 4096(v) 7744 (vi) 9604 (vii) 5929 (viii) 9216(ix) 529 (x) 8100 |
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Answer» (i) `729 = 3 xx 3 xx 3 xx3 xx 3 xx3` `sqrt 729 = 3 xx 3 xx 3 = 27` (iii) `1764= 2 xx 2 xx 3 xx 3 xx 7 xx 7` `sqrt 1764 = 2 xx 3 xx 7 = 42` (v) `7744 = 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 11 xx 11 ` `sqrt 7744 = 2 xx 2 xx 2 xx 11 = 88` (vii) `5929 = 7 xx 7 xx 11 xx11` `sqrt 5929 = 7 xx 11 = 77` (ix) `529 = 23 xx 23` `sqrt 529 = 23` answer |
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