History, asked by anitajatin2010, 4 hours ago

Worksheet 3
Find the square root of each of the following by prime factorisation.
(i)
225
40000
529
(iv)
441
(v) 7744
(vi)
8281
(vii)
4096
28900
(viii)​

Answers

Answered by abhishek7528
2

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

Explanation:

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