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Leno4ka [110]
3 years ago
14

If k is a constant, what is the value of k such that the polynomial k^2x^3 - 6kz+9 is

Mathematics
1 answer:
Tresset [83]3 years ago
3 0

x-1 divides p(x)=k^2x^3-6kx+9 if the remainder is p(1)=0. (This is the remainder theorem)

Then we must have

p(1)=k^2-6k+9=(k-3)^2=0\implies\boxed{k=3}

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