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Using prime factorisation method, find t...

Using prime factorisation method, find the square root of the following, if possible (a) 441 (c) 2048

Text Solution

Verified by Experts

(a) `441 = 3 xx 3 xx 7 xx7`
`sqrt 441 = 3 xx 7`
`= 21`
(b) `2048 = 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 xx 2 `
`sqrt 2048 !=` not prime number
Answer
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