Q. 2 A3.5( 15 Votes )

# Test whether the given numbers are perfect cubes or not.

243

Answer :

Given, a number 243 and need to find out whether it is perfect cube or not.

Now, we have the perfect cube = , where m and n are integers

⇒ 243 is not a perfect cube as it cannot be expressed as n × n × n form the product of three equal integer.

Hence, 243 is not a perfect cube.

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