10.0909090909
Chat with our AI personalities
It can be. 11 is a proper factor of 22, among others.
Since no integer multiplied by itself can yield 111, it is not a perfect square. 121, however, is a perfect square. Its square root is 11.
11 * 11 * x * x
333 3 11 111
7x2 - 847 [First factor out a 7] 7(x2 - 121) [Now factor it totally] 7(x + 11)(x - 11) x = 11 and -11