Question

4. If k, 2k -1 and 2k + 1 are three consecutive terms of an A.P., find the value of k​

Answer 1

Step-by-step explanation:

k, 2k-1,2k+1 are in ap

then t2-t1=t3-t2 formula , here t is term

2K-1-k=2k+1-2k+1

k-1=2k=3