How many terms are there in the A.P. whose first and fifth terms are -14 and 2 respectively and the sum of the terms is 40?

Explanation

To solve the problem step by step, we will follow the logic presented in the video transcript while providing clear explanations.

### Step-by-Step Solution:

1. **Identify Given Information**:
- First term \( A_1 = -14 \)
- Fifth term \( A_5 = 2 \)
- Sum of the terms \( S_n = 40 \)
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