what is the value of k, so that x - 3 is a factor x3 - kx - 3?
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Answer:
k = 2
Step-by-step explanation:
x - 3 is a factor
x=3
f(x) = x3 - Kx -3 =0
f(3) = 3^3 - 3k -3 =0
= 9 -3k -3 = 0
= 6 -3k = 0
= 3k = 6
= k = 2
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