Question

Check wheater the following numbers are perfect squares or not,by expressing each as the sum of odd numbers.

a)80 b) 64 ​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

80 not perfect square

64 perfect square

Step-by-step explanation:

So, First I take A)80

80-1=79

79-3=76

76-5=71

71-7=64

64-9=55

55-11= 44

44-13=31

31-15=16

16-17 = -1 is not equal to zero so it is not a perfect square

Now  I take 64

So, 64-1=63

63-3=60

60-5=55

55-7=48

48-9=39

39-11=28

28-13=15

15-15=0

So, it is perfect square of any number to find that number we have to count how many times we have subtracted to get 0

So it is 8 times

64 is square of 8

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