Let n be a positive integer and n ^ 2 + 1085 be a positive integer power of 3

Let n be a positive integer and n ^ 2 + 1085 be a positive integer power of 3

The positive integer power of N & sup2; + 1085 = 3
This problem can only be solved by enumeration, 3 & sup1;, 3 & sup2
N = 74