Answers

  • Brainly User
2015-06-04T14:13:55+05:30
D=0
b²-4ac=0
b=4   a=(1-k)  c = -1
4²-4(1-k)(-1)=0
4 + 1-k=0
k=5 ans

0
2015-06-04T16:04:35+05:30
D=0
b²-4ac=0
b=4   a=(1-k)  c = -1
4²-4(1-k)(-1)=0
4 + 1-k=0
k=5 

0