Find the 7 term of the Gb 2 , -6 , 18
1 answer:
Answer:
<h3>The 7th term is
1458</h3>
Step-by-step explanation:
For a geometric sequence
U(n) = ar^n - 1
Where
n is the number of terms
r is the common ratio
a is the first term
From the sequence
a = 2
r = - 6 /2 = -3
U(n) = 2(-3) ^ n - 1
For the 7th term
U(7) = 2(-3) ^ 7 - 1
= 2(-3)^6
The final answer is
= 1458
Hope this helps you
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Step-by-step explanation:
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