8081 can be the sum of two perfect squares because its perfect squares are 41 x41+80x80=1681+6400. Answer=1681+6400
You square each number and multiply that by the frequency with which that number appears. You then sum together these results.
Only 25 which is, 52 = 32 + 42 (25 = 9 + 16)
no
64 and 36.
36 is a perfect square number.
25 is a square number, and the sum of 9 and 16 is 25. 9 and 16 are also square numbers.
8081 can be the sum of two perfect squares because its perfect squares are 41 x41+80x80=1681+6400. Answer=1681+6400
You square each number and multiply that by the frequency with which that number appears. You then sum together these results.
5
5607 + 18 = 5625, a perfect square. The perfect square of a square root is the number you started with.
Only 25 which is, 52 = 32 + 42 (25 = 9 + 16)
The only squares of perfect squares in that range are 1, 16, and 81.
no
64 and 36.
A perfect square is the square of an integer, i.e., an integer multiplied by itself. For example, 25 is a perfect square, because 5 x 5 = 25. But, in literal mathematical terms, a perfect number is a positive integer that is the sum of its proper positive divisors, excluding the number itself. A square number is also called a "perfect square", so an example of a square number is above. So, a perfect square number would have to be a number that is both perfect and square, and there are yet to be any of these numbers "discovered".
Difference between the sum of the squares and the square of the sums of n numbers?Read more:Difference_between_the_sum_of_the_squares_and_the_square_of_the_sums_of_n_numbers