Q. 14.7( 6 Votes )

If k, 2k - 1 and

Answer :

The given three consecutive terms of AP are k, 2k – 1 and 2k + 1.


We know that if a, b and c are in AP, then 2b = a + c.


2 (2k – 1) = k + 2k + 1


4k – 2 = 3k + 1


4k – 3k = 1 + 2


k = 3


The value of k is 3.

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