Maharashtra State BoardSSC (English Medium) 8th Standard
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Find the Cube Root of the Following Number. 729 - Mathematics

Sum

Find the cube root of the following number.

729 

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Solution

To find the cube root of 729, let us factorise 729 first.

729 = 3 × 3 × 3 × 3 × 3 × 3

729 = (3 × 3) × (3 × 3) × (3 × 3) = (3 × 3)3 = 93

∴ `root(3)(729) = 9`

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Balbharati Mathematics 8th Standard Maharashtra State Board
Chapter 3 Indices and Cube root
Practice Set 3.3 | Q 3.2 | Page 18
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