Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Write the first five terms of each of the sequences in Exercises 11 to 13 and obtain the corresponding series:a1 = a2 = 2, an = an – 1–1, n > 2

13.  Write the first five terms of each of the sequences in Exercises 11 to 13 and obtain the corresponding series: a_1 = a_2 = 2, a_n = a_{n - 1}-1, n > 2

Answers (1)

best_answer

Given : a_1 = a_2 = 2, a_n = a_{n - 1}-1, n > 2

a_3 = a_{3 - 1}-1=a_2-1=2-1=1

a_4 = a_{4 - 1}-1=a_3-1=1-1=0

a_5 = a_{5 - 1}-1=a_4-1=0-1=-1

Hence, five terms of series are 2,2,1,0,-1

Series =2+2+1+0+(-1)+..................

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 12th Results 2026: Steps to check Class 12 scorecard on DigiLocker
anam-khan

DigiLocker, UMANG, IVRS, and other platforms to check CBSE results
anam-khan

CBSE 12th result 2026 via IVRS: Official phone number, steps to check and more

Latest Question