Question

Which of the following completes the sequence? o, 30 N, 60 N, Please help me

Answer 1

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 equals 3² and can be written as 3 × 3. The usual notation for the square of a number n is not the product n × n, but the equivalent exponentiation n², usually pronounced as "n squared". The name square number comes from the name of the shape. The unit of area is defined as the area of a unit square. Hence, a square with side length n has area n². In other words, if a square number is represented by n points, the points can be arranged in rows as a square each side of which has the same number of points as the square root of n; thus, square numbers are a type of figurate numbers. Square numbers are non-negative. Another way of saying that a integer is a square number is that its square root is again an integer. For example, {\displaystyle {\sqrt {9}}=3, } so 9 is a square number. A positive integer that has no perfect square divisors except 1 is called square-free. For a non-negative integer n, the nth square number is n², with 0² = 0 being the zeroth one.

Answer 2

Answer:

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