Find whether 55 is a term of the AP 7, 10, 13, … or not. If yes, find which term it is.

Explanation

To determine whether 55 is a term of the arithmetic progression (AP) given by 7, 10, 13, ..., we can follow these steps:

### Step-by-Step Solution:

1. **Identify the First Term and Common Difference:**
- The first term \( a = 7 \).
- The common difference \( d = 10 - 7 = 3 \).

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