find the value of k if x 5 is a factor of 4xraised to the power3-16xraised to the power2+kx-5
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Since (x−1) is a factor of kx3−4kx2+4kx−1
(x−1) must be the zeros of the polynomial.
Putting x=1 in the equation we get,
k(1)3−4k(1)2+4k(1)−1=0
=>k−4k+4k−1=0
=>k=1
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