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

If the determinant ∣ ∣abatbbcbtc210∣ ∣=0, if a,b,c are in

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

The correct option is B G.P.
∣ ∣abatbbcbtc210∣ ∣=0
Expanding it along third row,
2[b(btc)c(atb)]1[a(btc)b(atb)]=0
2t(b2ac)(b2ac)=0
(2t1)(b2ac)=0
t=12 or b2=ac
If b2=ac then a,b,c G.P.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Adjoint and Inverse of a Matrix
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon