P2.For what value ofk will theFind the 9th term from the end (towards

1.	P2.For what value ofk will theFind the 9th term from the end (towards the fst terml of the A.P. 5,9,13.. . 185 (1531ltvide of k WIllK+9,2k -1 and 2k + 7 are the consecutive terms of an AP (k-18)consecutive terms 2k + 1, 3k + 3 and 5k-1 form an A.Prk-6)3.
Answer» a2k + 1 = a3k + 3 = b5k - 1 = c To form an AP,a + c = 2b2k + 1 + 5k - 1 = 2( 3k + 3)7k = 6k + 6k = 6 So, k = 6

P2.For what value ofk will theFind the 9th term from the end (towards the fst terml of the A.P. 5,9,13.. . 185 (1531ltvide of k WIllK+9,2k -1 and 2k + 7 are the consecutive terms of an AP (k-18)consecutive terms 2k + 1, 3k + 3 and 5k-1 form an A.Prk-6)3.

Answer»

a2k + 1 = a3k + 3 = b5k - 1 = c

To form an AP,a + c = 2b2k + 1 + 5k - 1 = 2( 3k + 3)7k = 6k + 6k = 6

So, k = 6