15. The value of k for which the
system of equations
2x+kyx+3y-450 are
inconsistent is
Answers
Answered by
10
Step-by-step explanation:
ANSWER
Given
2x+ky+k+2=0
kx+8y+3k=0
For equation to be inconsistent,
a
2
a
1
=
b
2
b
1
=
c
2
c
1
Where a
1
,a
2
are x coefficients
b
1
,b
2
are y coefficients
c
1
,c
2
are constants
k
2
=
8
k
=
3k
k+2
k=±4 and
3k
2
=8k+16
3k
2
−8k−16
=0
3k(k−4)+4(k−4)
=0
k
=4 and k
=
3
−4
k=−4 the given system of equations are inconsistent
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