Two integers differ by 2 and sum of their squares is 52. The integers are :

1. 4 and 6

2. 4 or 6

3. -4 or 6

4. -4 and -6 or 6 and 4

The sum of the squares of two positive integers is 208. If the square of the larger number is 18 times the smaller number, find the numbers.

Find two consecutive positive odd numbers, the sum of whose squares is 74.