Question

examine which of the following numbers are perfect cubes. in case find the cube, find the cube root​

Answer 1

Answer:

1] cube root is 9

2] cube root is 11

3] It is not perfect cube

4] cube root is 15

5] cube root is 21

6] cube root is 18

7] cube root is 12

8] It is not perfect cube

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

A perfect cube can be expressed as a product of three same numbers  

Now by resolving the given number into prime factors we get,

5324 = 2 × 2 × 11 × 11 × 11

Since, the given number does not have cubical value i.e we cannot group its factors into pair of three same numbers.

∴ 5324 is not a perfect cube.

   

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