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Write the rule for the nth term of geometric sequence a1=6 and r=3

Sagot :

Sueraiuka

Step-by-step explanation:

Hey there!

Given;

a1 = 6

and r = 3

Then;

Let's see, we have a1 "first term" and r "common ratio". So, firstly use the formula.

[tex]nth \: term \: of \: geometric \: sries = {a}^{} . {r}^{n - 1} [/tex]

Now, keep all values.

[tex]nth = 6 \times {3}^{n - 1} [/tex]

So, it becomes like this.

Therefore, the rule is nth= 6*3^n-1.

Hope it helps!

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