Question

For what value of k, no solution? 2(k-1)x+(k-1)y=2k+1 3x+y=1

Answer 1

here, a1 =2(k-1) b1 =k-1 c1= -(2k+1)
a2 =3 b2=1 c2= -1
now, a1/a2=b1/b2
2(k-1) / 3 =k- 1/ 1
2k-2 =3k-3
-2+3=3k-2k
1=k
hope this helps you
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