Question

How how can we find square root of square root of 169 with repeated subtraction method

Answer 1

first keep on subtracting odd numbers from 169 step by step like 169 minus 1 is equal to 168 and 168 minus 3 is equal to 165 now keep on doing this and as soon as the answer becomes zero just count the number of steps that will be the square root

Answer 2

until we get the zero we have to subtract odd no.s from 169
1. 169-1=168
2.168-3=165
3.165-5=160
4.160-7=153
5.153-9=144
6.144-11=133
7.133-13=120
8.120-15=105
9.105-17=88
10.88-19=69
11.69-21=48
12.48-23=25
13.25-25=0
hence 13 is the answer
square root of 169=13