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If m is the cube root of n, then n is ______. - Mathematics

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Question

If m is the cube root of n, then n is ______.

Options

  • m3 

  • `sqrt(m)`

  • `m/3`

  • `root(3)(m)`

MCQ
Fill in the Blanks

Solution

If m is the cube root of n, then n is m3.

Explanation:

Given, m is the cube root of n, i.e. `m = root(3)(n)`

⇒ `m = (n)^(1/3)`

⇒ `m^3 = (n)^(3/3)`  ...[Taking cube on both sides]

∴ m3 = n

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Chapter 3: Square-Square Root and Cube-Cube Root - Exercise [Page 90]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 3 Square-Square Root and Cube-Cube Root
Exercise | Q 22. | Page 90

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