Question

Show that 189 is not a perfect cube.​

Answer 1

Step-by-step explanation:

Resolving 189 into prime factors, we get:

189= 3 x 3 x 3 x 7.

Making triplets , we find that one triplet is formed and we are left with one more factor.

Thus, 189 can not be expressed as a product of Triplets.

Hence 189 is not a perfect cube.

Answer 2

Step-by-step explanation:

Take out the prime factor of 189 by the method prime factorizaction

The prime factor of 189 will be 3³ and 7

Hence: So ,189 is not a perfect square.

Thanks: