CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Find the sum of 6+514+412+... to 21 terms.

Open in App
Solution

S=6+514+412+... to 21 terms.
a=6,d=2146=21244=34,n=21
S21=212[2×6+20×34]
S21=212[1215]=632=3112

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Questions
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon