Question

b)
A number is called perfect if it is equal to the sum of all its factors
(except the number itself) t and f​

Answer 1

Step-by-step explanation:

A number is called a perfect square when the prime factorisation has pairs of each number.

Example

8 is not a perfect square as

it's prime factorisation = 2*2*2

and it's all no.s doesn't have pairs whereas 4 is a perfect square as it's prime factorisation =2*2

and it is forming pairs.

Hope it's helpful for you.

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