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Find the Cube-root of 729. - Mathematics

Sum

Find the cube-root of 729.

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Solution

729

= `""^3sqrt(729)`
= (3 x 3 x 3) x (3 x 3 x 3)
= 3 x 3
=9

3 729
3 243
3 81
3 27
3 9
3 3
  1
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (B) | Q 1.3 | Page 51
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