Math, asked by bhabanichoudhury174, 7 months ago

1.
Find the square root of each of the following by prime factorisation.
(i)
225
441
(iii) 529
(iv)
40000
(v) 7744
(vi)
8281
(vii)
4096
(viii)
28900​

Answers

Answered by DuttJoshi
20

Answer:

1) √225 = √(3×3×5×5) = 3×5 =15

2) √441 = √(3×3×7×7) = 3×7 =21

3) √529 = √( 23×23) =23

4) √40000 = √( 2×2×2×2×2×2×5×5×5×5) = 2×2×2×5×5 = 200

5) √7744 = √(2×2×2×2×2×2×11×11) = 2×2×2×11 =88

6)√8281 = √(91×91) = 91

7) √4096= √( 2×2×2×2×2×2×2×2×2×2×2×2) = 2×2×2×2×2×2 = 64

8) 28900 = √(2×2×5×5×17×17) = 2×5×17 =170

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