Question

Find the 10th term of a G.P. whose 7th term 1/729 and 1st term is 1​

Answer 1

Answer:

1/19683

Step-by-step explanation:

nth term of a G.P = ar^(n-1)

7th term = ar^(7-1) = ar^6 = 1/729

Given a = 1 =>> r^6 = 1/729 = (1/3)^6

=>> r = 1/6

10th term = ar^(10-1) = 1×(1/3)^9 = 1/19683