Find the square root of 144 and 169 by repeated subtraction method.
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169 - 1 =168
168 - 3 = 165
165-5 = 160
160-7=153
153-9=144
144-11=133
133-13=120
120-15= 105
105-17=88
88-19 =69
69-21=48
48-23=25
25-25= 0
since it is compeletly subtracted at 13th time
so, square root of 169 is 13
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11
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