defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Sequences and Series Arithmetic Progressions
If \(\frac{a^{n + 1}+b^{n + 1}}{a^n + b^n}\) is the arithmetic mean between a and b, then n is equal to
1
-1
2
-2
3
0
4
1