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Mathematics, 09.01.2020 21:31 cruzheidy4410

Suppose we have the polynomial p(x)=(x-2)(x+1-2i)(x+1+2i). which of the following are true? (there are 3)

p(-1+2i)=0
p(1-2i)=0
p(2i)=0
p(-1-2i)=0
p(1+2i)=0
p(2)=0

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