# CBSE Class 10 Answered

**EFor what value of k will k + 9, 2k – 1 and 2k + 7 are the consecutive terms of an A.P?**

Asked by poojakanchan | 10 Mar, 2021, 11:38: AM

Expert Answer

k + 9, 2k – 1 and 2k + 7 are in A.P.

→ (2k - 1) - (k + 9) = (2k + 7) - (2k - 1) = d = common difference

→ 2k - 1 - k - 9 = 2k + 7 - 2k + 1

→ k - 10 = 8

→ k = 18

Answered by Yasmeen Khan | 10 Mar, 2021, 11:56: AM

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