Find the value of k, if x – 1 is a factor of 4x3
+ 3x2
– 4x + k.
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Answer:
-3
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g(x)=0
x-1=0
x=1
putting x=1 in p(x)=4x³+3x²-4x+k
p(x)=0
4x³+3x²-4x+k = 0
4(1)³+3×(1)²-4×1+k=0
4+3-4+k=0
3+k=0
k=-3.
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