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

Coefficient of t24 in (1+t2)12(1+t12)(1+t24) is ?

A
12C6+3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
12C6+1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
12C6
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
12C6+2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 12C6+2
Here, Coefficient of t24in{(1+t2)12(1+t12)(1+t24)}
Coefficient of t24 in {(1+t2)12.(1+t12+t24+t36)}
Coefficient of t24 in {(1+t2)12+t12(1+t2)12+t24(1+t2)12}
[Neglecting t36(1+t2)12]
Coefficient of t24=(12C12+12C6+12C0)=2+12C6

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