Q. If $\frac{a^{n + 1} + b^{n + 1}}{a^{n} + b^{n}}$ be the harmonic mean between $a$ and $b$, then the value of $n$ is
A) 1
B) $- 1$
C) 0
D) 2
Explanation
The correct answer is Option B: $- 1$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.