How do you write the expression for the nth term of the geometric sequence a_1=100, r=e^x, n=9?

1 Answer
Aug 4, 2018

n^(th)term=a_n=100(e^x)^(n-1)
But
9^(th)term=a_9=100(e^x)^8

Explanation:

The n^(th)term of the geometric sequence is :

color(blue)(a_n=a_1(r)^(n-1)

Given that ,

a_1=100,r=e^x and n=9

:.n^(th)term=a_n=100(e^x)^(n-1)

:.9^(th)term=a_9=100(e^x)^(9-1)=100(e^x)^8