What is perfect squres number with example?
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square number or perfect square is non-negative integer that is the square of an integer
It is the product (multiplication) of some integer with itself.
EG 1.
4 is a square number, since it can be written as 2 x 2 .
EG 2.
9 is a square number, since it can be written as 3 x 3 .
Usual notation for the square of a number n is not the product n x n, but the equivalent to exponent n^2, usually pronounced as insquared.
The unit of area is unit square (1 × 1). Hence, a square with side length n has area n^2.
Square numbers square roots is again an integer.
EG 3.
√9 = 3, so 9 is a square number.
It is the product (multiplication) of some integer with itself.
EG 1.
4 is a square number, since it can be written as 2 x 2 .
EG 2.
9 is a square number, since it can be written as 3 x 3 .
Usual notation for the square of a number n is not the product n x n, but the equivalent to exponent n^2, usually pronounced as insquared.
The unit of area is unit square (1 × 1). Hence, a square with side length n has area n^2.
Square numbers square roots is again an integer.
EG 3.
√9 = 3, so 9 is a square number.
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