"Find the   sum of the following arithmetic progressions: `50 ,\ 46 ,\ 42 ,\ ` to 10   terms
Channel: Doubtnut
Date: 2020-06-28

"Find the
 
  sum of the following arithmetic progressions:
 `50 ,\ 46 ,\ 42 ,\ `
 to 10
 
  terms (ii) `1,\ 3,\ 5,\ 7,\ `
 to 12 terms
 (iii) `3,\ 9//2,\ 6,\ 15//2,\ ddot`
 to 25 terms"