Find the sum of first 51 terms of an AP whose second and third terms are 14 and 18 respectively.

Explanation

To find the sum of the first 51 terms of an arithmetic progression (AP) where the second and third terms are given as 14 and 18 respectively, we can follow these steps:

### Step 1: Identify the terms of the AP
The terms of an AP can be expressed as:
- First term: \( a \)
- Second term: \( a + d \)
- Third term: \( a + 2d \)

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