If a = 17 and a x a = 289 then no other values of a can exist.
289 squared times 289 squared is equal to 6,975,757,441.
289.
17 squared = 289
Roughly close to something near 289.
If it were, then 17 squared would equal 8 squared plus 15 squared. ie 289 would equal 64 + 225 which it does, so it is a pythagorean triangle.
No, it is rational.
17 squared = 172 = 289
17 squared = 289
17
17 x 17 = 289
No - rounded to two decimal places, sqrt(288) is equal to ±16.97. However, the integer one greater than this, 289, is equal to 17 squared.
1 x 289, 17 x 17 = 289