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प्रश्न
Find the square root of the following number.
225
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उत्तर
| 3 | 225 |
| 3 | 75 |
| 5 | 25 |
| 5 | 5 |
| 1 |
225 = 3 × 3 × 5 × 5
Taking square root on both sides
`sqrt(225) = sqrt(3 xx 3 xx 5 xx 5)`
= `sqrt(3^2 xx5^2)`
`sqrt(225) = 3 xx 5`
`sqrt(225) = 15`
∴ The square root of 225 is 15.
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