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

If sum of n terms is given by Sn = 3n2 + 5n, then the common difference of this AP is:


A

8

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

6

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

14

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B

6


S1 = 3 + 5 = 8 = a1

S2 = 12 + 10 = 22 = a1 + a2

a2 = 22 – 8 = 14

d = a2 – a1 = 14 – 8 = 6


flag
Suggest Corrections
thumbs-up
7
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Arithmetic Progression
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon