How do I get the first term in a geometric sequence?
Md Ariful Islam
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এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
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Take this for example. If you have given a3 = 27 and r = 3, divide 27 by 3, which is 9. Divide again by 3 and get 3. Then you have a1 = 3, a2 = 9, and a3 = 27. If you know the constant and one term in the geometric sequence, you can calculate any other term in the sequence.
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