CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

if the system of linear equations
x+2ay+az=0
x+3by+bz=0
x+4cy+cz=0
has a non-zero solutions,then a,b,c are in

A
A.P.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
G.P.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
H.P.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
satisfiesa+2b+3c=0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B H.P.
∣ ∣10a1bb12cc∣ ∣=0
On expanding along R1 we get
1(bc2bc)+0(cb)+a(2cb)=0
2ac=ab+bc
b=2aca+c
a,b,c are in H.P


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