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Finding Square Root through Repeated Subtraction

Find the squa...

Question

Find the square root of the 144 using successive subtraction method.

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Solution

144-1=143
143-3=140
140-5=135
135-7=128
128-9=119
119-11=108
108-13=95
95-15=80
80-17=63
63-19=44
44-21=23
23-23=0

Hence, $\sqrt{144} = 12$

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