Question

Find the square root by the method of repeated subtraction:- 87

Answer 1

Answer:

REPEATED SUBTRACTION:

1)87-1=86

2)86-3=83

3)83-5=78

4)78-7=71

5)71-9=62

6)62-11=51

7)51-13=38

8)38-15=23

9)23-17=6

10)6-19= (-13)

∵it is negative it is not a  perfect square

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