Question

what is perfect square​

Answer 1

❗❕In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3. ... A positive integer that has no perfect square divisors except 1 is called square-free.❗❕

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Answer 2

Answer:

In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3. ... A positive integer that has no perfect square divisors except 1 is called square-free.