if 2x+1 is a factor of 4x^2+kx+k find k
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Answered by
0
2x+1=0
2x=-1
x=-1/2
4x^2+k-1/2+k=0
4×-1/2+k-1/2+k=0.
-2-k/2+k=0
-4-k+4k=0
-4+3k=0
3k=4
k=4/3
2x=-1
x=-1/2
4x^2+k-1/2+k=0
4×-1/2+k-1/2+k=0.
-2-k/2+k=0
-4-k+4k=0
-4+3k=0
3k=4
k=4/3
Answered by
1
2x +1=0
x=-1/-2
putting the value of x in equation
4×(1/2)^2+k×1/2+k
1+k1/2+k
2+1k+k
2k=(-2)
k=-2/-2
k =1
I hope it's help u...
THANKS......
x=-1/-2
putting the value of x in equation
4×(1/2)^2+k×1/2+k
1+k1/2+k
2+1k+k
2k=(-2)
k=-2/-2
k =1
I hope it's help u...
THANKS......
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