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If a is a zero of the polynomial p(x), then (x - a) must be a factor of p(x).
We will use the concept of the remainder theorem in order to find the required answer.
Answer: Yes, if a is a zero of the polynomial p(x) then (x - a) is a factor of p(x).
Let us see how we will use the concept of the remainder theorem in order to find the required answer.
Explanation:
The remainder theorem states that if any polynomial suppose that ax2 + bx + c is divided by (x - m) then on substituting the value x = m in the polynomial ax2 + bx + c we get the remainder. Now if the remainder is 0 then x = m is known as zero or root of the polynomial.
Now since the remainder is 0 then, (x - m) completely divides the polynomial ax2 + bx + c and we also know that if the dividend is completely divided by divisor then the divisor is one of the factors of the dividend.
Hence, (x - a) is one of the factors of the polynomial p(x) if a is the zero of the polynomial.
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