7. The value of D for the equations x+y=3 and 3x + ky=4 is – 5. What is
the value of k?
Answers
Answered by
1
Step-by-step explanation:
for unique solution
a
2
a
1
=
b
2
b
1
⇒
3
1
=
k
−2
⇒
k
=−6
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