Question Detail
Question
In an AP, if the m-th term is n and the n-th term is m (where m != n), what is the (m + n)-th term?
Correct Answer
Option A is the correct answer.
Detailed Explanation
The common difference is d = (n - m)/(m - n) = -1, and a = m + n - 1. Thus, T_{m+n} = a + (m + n - 1)(-1) = 0.
Hint
No hint available