Question

3K-1 , K , K+3 are in A.P. , then find the value of K.

Answer 1

hey mate

here is your answer

2t2=t1+t3

2k=3k-1+k+3

2k=4k+2

-2k=2

k=-1(answer)

Answer 2

2(k)=3k-1 + k+3

2k = 4k+2
2k= -2
k=-1