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Question
Using prime factorisation, find the cube roots of 2197
Sum
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Solution
We have, 2197
| 13 | 2197 |
| 13 | 169 |
| 13 | 13 |
| 1 |
Now, 2197 = 13 × 13 × 13
∴ `root(3)(2197)` = 13
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