If a polynomial function f(x) has roots 3 + sqrt5 and -6, what must be a factor of f(x)?
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Answer:
Step-by-step explanation:
If there are roots:
So we would have factors of:
Correct choice including the third factor is B
If a is a factor of f(x)
Then
So if a=3+√5 and -6
The expression is
Option B