Question

The 8th term of an AP is 17 and its 14th term is 29. The common difference of the AP is ______.

विकल्प

• 3

• 2

• 5

• –2

Answer 1

The 8th term of an AP is 17 and its 14th term is 29. The common difference of the AP is 2.

Explanation:

(T₁₄ – T₈) = (29 – 17) = 12

⇒ (a + 13d) – (a + 7d) = 12

⇒ 6d = 12

⇒ d = `12/6`

⇒ d = 2