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प्रश्न
Find the cube-root of 9.261
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उत्तर
9.261
= `root(3)(9261/1000)`
= `sqrt((3 xx 3 xx 3 xx 7 xx 7 xx 7)/(10 xx 10 xx 10)`
| 3 | 9261 |
| 3 | 3087 |
| 3 | 1029 |
| 7 | 343 |
| 7 | 49 |
| 7 | 7 |
| 1 |
=`(3 xx 7)/(10)`
= `(21)/(10)`
= 2.1
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