Find the GP whose 4th and 7th terms are
and
respectively.
The nth term of a GP is an = arn-1
It’s given in the question that 4th term of the GP is
and 7th term of GP is
.
So,
→ (1)
→ (2)
→ ![]()
Common ratio, ![]()
![]()
![]()
The required GP is of form a, ar, ar2, ar3, ar4….
The first term of GP, ![]()
The second term of GP,![]()
The third term of GP, ![]()
The fourth term of GP, ![]()
The fifth term of GP, ![]()
And so on...
The required GP is
…