Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • For what value of k will k+9, 2k-1 and 2k+7 are the consecutive terms of A.P ?          <div style="float:left; w

For what value of k will k+9, 2k-1 and 2k+7 are the consecutive terms of A.P ? 

 

 

 

 
 
 
 
 

Answers (1)

For an AP 

the common difference should be the same 

d = a _2 - a _1 = a _3 - a _2 \\\\ ( 2k- 1 )- (k + 9) = ( 2k+7 ) - ( 2k -1) \\\\ 2k-1 -k -9 = 2k + 7 - 2k + 1 \\\\ k-10 = 8 \\\\ k = 18

 

Posted by

Ravindra Pindel

View full answer

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 10 board exams twice a year ‘relief’ or ‘burden’? Parents, schools share mixed views
anam-khan

CBSE Class 10 exams twice a year from 2026; 64.4% students in favor, second attempt optional

Latest Question