Mathematics, 13.06.2020 11:57 briceevans32
Given the polynomial f(x)=x3+x2+ax−9 and the fact that (x−3) is a factor of the polynomial, what is the value of a?
Answers: 1
.
be a real number. Consider the factor theorem: if 
is a factor of the function 
, then it must be true that 
.
has already been found. Since 
is a factor of this polynomial, 
by the factor theorem. 
.
on the right-hand side. In other words:
.
.
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Given the polynomial f(x)=x3+x2+ax−9 and the fact that (x−3) is a factor of the polynomial, what is...
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