Question

2. Find whether 84 is a perfect square or not by using repeated subraction

Answer 1

84-1=83

83-3=80

80-5=75

75-7=68

68-9=59

59-11=48

48-13=35

35-15=20

20-17=3

as it leaves a remainder, its not a perfect square

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Answer 2

Answer:-

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