by repeated subtraction of odd numbers find whether the number 90 is perfect square or not if the number is perfect square then find its square root
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90 -1=89
89-3=86
86-5=81
81-7=74
74-9=65
65-11=54
54-13=41
41-15=26
26-17=9
° ° it's value is not zero therefore 90 is not a perfect square
°.
89-3=86
86-5=81
81-7=74
74-9=65
65-11=54
54-13=41
41-15=26
26-17=9
° ° it's value is not zero therefore 90 is not a perfect square
°.
aradhyaSINHA:
very nyc
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