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  • Brainly User
2015-09-22T15:34:19+08:00

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First, find the pattern of the geometric sequence:

an = a1(r) ^{n-1}

Given a1= 3 and common ratio= 2

an = 3 (2) ^{n-1}

Using this pattern, find the 2nd and 3rd term:
n = 2
a2 = 3(2) ^{2-1}
a2=3(2) ^{1}
a2 = 3(2)
a2 = 6, second term

n = 3
a3 = 3(2) ^{3-1}
a3 = 3(2) ^{2}
a3=3(4)
a3 = 12, third term

Use the same pattern for the next terms of this geometric sequence.

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