Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Show that the products of the corresponding terms of the sequences a, ar, ar raised to 2, …ar raised to n minus 1 and A, AR, AR raised to 2, … AR raised to n minus 1 form a G.P, and find the common ratio.

20.  Show that the products of the corresponding terms of the sequences

    a,ar, ar^2 , ...ar^{n-1} \: \: and\: \: A ,AR, AR^2 ....AR^{n-1} form a G.P, and find the common ratio.

Answers (1)

best_answer

To prove : aA,arAR,ar^2AR^2,...................     is a GP.

\frac{second \, \, term}{first\, \, term}=\frac{arAR}{aA}=rR

\frac{third \, \, term}{second\, \, term}=\frac{ar^2AR^2}{arAR}=rR

Thus, the above sequence is a GP with common ratio of rR.

 

 

Posted by

seema garhwal

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 12 Compartment Result 2026 LIVE: 12th supplementary marksheet soon at cbse.gov.in
anam-khan

CBSE Class 12 Supplementary Exam 2026: 'Chapter-wise weightage ignored,' allege students; seek grace marks
anam-khan

CBSE SARAS 7.0: Affiliation application deadline extended to September 30 for 2027-28 session

Latest Question