In a geometric progression the first term is and the common ratio is . Find the term number .

Answer and explanation

Correct answer: B.

  1. Step 1: The th term is .
  2. Step 2: Term 6 .
Answer
.
Why not the others: is what you get if you use instead of . is what you get if you use the arithmetic progression formula. is what you get if you multiply , and .

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