find the square root of the number 100 by subtraction method
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√100 by Repeated subtraction:
100 - 1 = 99. 99 - 3 = 96. 96 - 5 = 91. 91 -7 = 84. 84 - 9 = 75. ...
We get 0 at 10th step. Hence,10 is the square root of 100.
√100 = 10.
√169 by Repeated subtraction:
169 - 1 = 168. 168 - 3 = 165. 165 - 5 = 160. 160 - 7 = 153. 153 - 9 = 144. ...
We get 0 at 13th step. Hence,13 is the square root of 169.
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