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

The determinant ⎡⎢⎣b1+c1c1+a1a1+b1b2+c2c2+a2a2+b2b3+c3c3+a3a3+b3⎤⎥⎦=_____

A
a1b1c1a2b2c2a3b3c3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
2a1b1c1a2b2c2a3b3c3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
3a1b1c1a2b2c2a3b3c3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4a1b1c1a2b2c2a3b3c3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 2a1b1c1a2b2c2a3b3c3
Given that
b1+c1c1+a1a1+b1b2+c2c2+a2a2+b2b3+c3c3+a3a3+b3
C1C1+C2+C3
2(a1+b1+c1)c1+a1a1+b12(a2+b2+c2)c2+a2a2+b22(a3+b3+c3)c3+a3a3+b3
2a1+b1+c1c1+a1a1+b1a2+b2+c2c2+a2a2+b2a3+b3+c3c3+a3a3+b3
C1C1C2
2b1c1+a1a1+b1b2c2+a2a2+b2b3c3+a3a3+b3
C3C3C1
2b1c1+a1a1b2c2+a2a2b3c3+a3a3
C2C2C3
2b1c1a1b2c2a2b3c3a3
Hence, this is the answer.


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