if 2x+1 is a factor of the polynomial 4x²-kx+k, then find the value of k
Answers
Answered by
2
Hey mate !!
Here's your answer ^-^
Putting 2x+1 = 0, x= -1/2
Since it's a factor, 4*(-1/2)^2+k*x+k=0
4*1/4+1/2k+k=0
1+3/2k=0
3/2k = -1
k = -2/3
Here's your answer ^-^
Putting 2x+1 = 0, x= -1/2
Since it's a factor, 4*(-1/2)^2+k*x+k=0
4*1/4+1/2k+k=0
1+3/2k=0
3/2k = -1
k = -2/3
Answered by
0
Answer:
Step-by-step explanation:
Similar questions