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22-06-2021
Mathematics

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which of the following is a root of the polynomial function below

which of the following is a root of the polynomial function below class=

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22-06-2021

Answer: "C"

roots would make the function "0"

so just plug in the numbers...

with a + 12 you need minuses to cancel out...

B & C can not be the answer...

A is -i -3 + 4i - 12 which also is not 0

C is : 8i -12 -8i +12 WHICH DOES = 0

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