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What type of sequence is this: an = 4 * 3(n-1)

Sagot :

Answer:

geometric sequence.

Step-by-step explanation:

Given the sequence an = 4 * 3(n-1)

The type of sequence written in this form is a geometric sequence. It is expressed Mathematically as;

an = ar^n-1

On comparison, we can see  that;

a = 4

r = 3

a is the first term]

r is the common ratio