The first term of an AP is p and its common difference is q.

Question:

The first term of an AP is p and its common difference is q. Find its 10th term.

Solution:

Here, a = p and d = q
Now, Tn = a + (n - 1)d  
⇒ Tn = p + (n - 1)q
∴ ​​T10 = p + 9q

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