(k+4) x2 + (k + 1) x+1=0
has equal roots
Answers
Answered by
0
Answer:
no no no
Step-by-step explanation:
noooooooooooonoooooooooooooooooooooo
Answered by
1
Answer:
k=5
Step-by-step explanation:
(k+4)x²+(k+1)x+1=0
a=k+4, b=k+1, c=1
Discriminant=0
b²-4ac=0
(k+1)²-4(k+4)(1)=0
k²+2k+1-4k-16=0
k²+2k-4k+1-16=0
k²-2k-15=0
k²-5k+3k-15=0
(k²-5k)+(3k-15)=0
k(k-5)+3(k-5)=0
(k-5)(k+3)=0
(k-5=0)(k+3=0)
k=5 and k=(-3)
Therefore, the value of k is 5.
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