Question

बार-बार घटाने की विधि से 100 और 169 का वर्गमूल ज्ञात कीजिए।​

Answer 1

Question:

Find out the square root of 169 with the reduction method.

Solution:

169 by Repeated subtraction:

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

We get 0 at 13th step. Hence,13 is the square root of 169.

√169=13

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