wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In an AP if the common difference is 6 and the eleventh term is 15, then find the first term.

Open in App
Solution

The common term is given as 6 and eleventh term is 15, then,

an=a+(n1)d

a11=a+(111)d

15=a+10(6)

a=15+60

a=75

Therefore, the first term is 75.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
General Form of an AP
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon