Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • NCERT
  • Find the indicated terms in each of the sequences in Exercises 7 to 10 whose nth terms are: a n =- 1 ^ n- 1 n^3

9.   Find the indicated terms in each of the sequences in Exercises 7 to 10 whose nth terms are:

      a _ n = ( -1) ^{n-1} n ^ 3 , a _9 

Answers (1)

best_answer

Given : a _ n = ( -1) ^{n-1} n ^ 3

Put n =9,

a _ 9 = ( -1) ^{9-1} 9 ^ 3= (1).(729)=729

The value of a _ 9 =729

 

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

SC asks CBSE to protect students affected by OSM evaluation in admissions
anam-khan

CBSE Class 12 Compartment Result 2026 LIVE: 12th supplementary marksheet out at results.digilocker.gov.in
anam-khan

CBSE Class 12 supplementary results 2026 out; 53.08% students pass

Latest Question