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

What is the common difference of an AP in which a27a7=84

Open in App
Solution

Let a is the first term and d is the common difference of an AP
27th term = a + ( 27 -1)d = a + 26d
7th term = a + (7 -1)d = a + 6d

now,
a +26d -a -6d = 84

20d = 84

d = 4.2 ( answer)


flag
Suggest Corrections
thumbs-up
13
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