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Solution for Let S Be the Sum, P the Product and R the Sum of Reciprocals of N Terms in a Geometric Progression . Prove that P2rn = Sn - CBSE (Arts) Class 11 - Mathematics

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Question

Let S be the sum, P the product and R the sum of reciprocals of n terms in a G.P. Prove that P2Rn = Sn

Solution

Let the G.P. be aarar2ar3, … arn – 1

According to the given information,

Hence, P2 Rn = Sn

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2013 to Current)
Chapter 9: Sequences and Series
Q: 14 | Page no. 199
Solution Let S Be the Sum, P the Product and R the Sum of Reciprocals of N Terms in a Geometric Progression . Prove that P2rn = Sn Concept: Geometric Progression (G. P.).
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