Find the square root of 100 by successive subtractions?class 8
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100 - 1 = 99. 99 - 3 = 96. 96 - 5 = 91. 91 -7 = 84. 84 - 9 = 75. 75 - 11 = 64. 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 .
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Answer:
100-10-10-10-10-10-10-10-10-10-10=o
= 100- (10x10)=0
v100 =10
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