Question

if(n-1),(2n+1),(6n+3)are in gp, then n=?​

Answer 1

Step-by-step explanation:

=8n+5

=n=8/5

ok bye

I hope helpful to you

Answer 2

★ (n - 1) + (2n + 1) + (6n + 3)

= n - 1 + 2n + 1 + 6n + 3

= 9n + 3

n = 3/9

n = 1/3.