Question

Rationalise cube root 5​

Answer 1

Answer:

Cube root is denoted by '∛ ' symbol. Example: ∛8 = ∛(2 × 2 × 2) = 2. Since, 8 is a perfect cube number, it is easy to find the cube root of a number.

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Cubes and Cube Roots List of 1 to 15.

Number Cube(a3) Cube root ∛a

5 125 1.710

6 216 1.817

7 343 1.913

8 512 2.000