state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 Mathematics Limit and Continuity Evaluation of Limits
If \(x^{3^n}+y^{3^n}\) is divisible by x + y, then
1
n ≥ 0, integer
2
n is only positive even integer
3
n is only odd integer
4
n is only positive odd integer