Download the app

Questions  

If the system of equations xy+z=0, kxy+3z=0, x+2y+3z=0 has non trivial solution then K=

 

 

a
15
b
115
c
−15
d
5

detailed solution

Correct option is B

Since 1−11k−13123=0 ⇒1[−3−6]+1[3k−3]+1[2k+1]=0 ⇒−9+3k−3+2k+1=0⇒5k−11=0⇒k=115

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

 If the equations x+ay-z=0, 2x-y+az=0, αx+y+2z=0 have non - trivial solutions,  then a can be 


phone icon
whats app icon