Example Problem I — task. Mathematics CBSE, Class 8.

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1. Is

$243$ a perfect cube?

$243$ is .

2. Is

$392$ a perfect cube? If not, find the smallest natural number by which

$392$ must be multiplied so that the product is a perfect cube.

(i)

$392$ is .

(ii) The smallest number should be multiplied .

(iii) The obtained perfect cube .

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1. Example Problem I