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

∣∣ ∣∣x+2x+3x+5x+4x+6x+9x+8x+11x+15∣∣ ∣∣ =

A
3x2+4x+5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
x3+8x+5
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is B 2
∣ ∣x+2x+3x+5x+4x+6x+9x+8x+11x+15∣ ∣ =∣ ∣x+2x+3x+5234456∣ ∣,R3R3R2,R2R2R1
=(x+2)(1820)(x+3)(1216)+(x+5)(1012), Expand along first row
=2x4+4x+122x10=2

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