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

The coefficient of x in (x2+cx)5 is

A
20 c
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
10 c
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
10 c3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
20 c3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 10 c3
Tr+1=5Cr(x2)5r(c/x)r=5Crcrx102rr
If 103r=1, then 3r=9r=3
Coefficient of x is 5C3c3=10c3

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