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How Many Terms of G.P. 3, 32, 33, … Are Needed to Give the Sum 120? - CBSE (Arts) Class 11 - Mathematics

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Question

How many terms of G.P. 3, 32, 33, … are needed to give the sum 120?

Solution

The given G.P. is 3, 32, 33, …

Let n terms of this G.P. be required to obtain the sum as 120.

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2018 to Current)
Chapter 9: Sequences and Series
Q: 13 | Page no. 192
Solution How Many Terms of G.P. 3, 32, 33, … Are Needed to Give the Sum 120? Concept: Geometric Progression (G. P.).
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