Question

Find the value of k if 2k+1,3k+3,5k-1 are in
a.P.

Answer 1

Answer:

let us consider that

t1=2k+1

t2=3k+3 and

t3=5k-1

t2-t1=t3-t2

therefore 2xt2=t1+t3

2(3k+3)=2k+1+5k-1

6k+6=2k+5k

6k+6=7k

6=7k-6k

therfore k=6

i hope this answer will be helpfull for you