Example 3 - Find the 10th term of AP: 2, 7, 12, ... - Examples

  1. Chapter 5 Class 10 Arithmetic Progressions
  2. Serial order wise
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Example 3 Find the 10th term of the AP : 2, 7, 12, . . . 2, 7, 12, ………… an = a + (n – 1)d We have to find 10th term So, n = 10 Also , a = 2 d = 7 – 2 = 5 Putting these value in formula a10 = 2 + (10 – 1) (5) = 2 + (9) (5) = 2 + 45 = 47 So, 10th term is 47.

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