darinholmes
Answered

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Find the 8th term of the geometric sequence shown below. 6x,18x^4,54x^7
please help

Sagot :

abidemiokin

The 8th term of the geometric sequence is 13122x^22

Explicit form of a geometric sequence

The explicit form of a geometric sequence is expressed according to the equation;

Tn = ar^n-1

where

r is the common ratio

a is the first term

n is the number of terms

Given the sequence below;

6x,18x^4,54x^7

r = 18x^4/6x

r = 3x^3

a = 6x

n = 8

Substitute to have:

T8 = 6x(3x^3)^8-1

T8 = 6x (3x^3)^7

T8 = 13122x^22

Hence the 8th term of the geometric sequence is 13122x^22

Learn more on geometric sequence here: https://brainly.com/question/24643676

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