Find the square roots of 169 by the method of repeated subtraction.

Dear Student

169
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
Here, we have performed subtraction thirteen times.∴√169=13


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