Question

What is the 6th term of the geometric sequence where a1 = 625 and a3 = 25?

Answer 1

A geometric sequence is of the form
a, ar, ar^2...
nth term of it is given as
\[a_n=ar^{n-1}\]
here we have a1=a=625
and a3=25
\[a_3=a_1r^{3-1}\]
could you find r from this?
which is the common ratio

Answer 2

no

Answer 3

first find common ratio

Answer 4

can u?

Answer 5

no

Answer 6

Ok....... no problem

Answer 7

Do u understand this?