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Sagot :
Answer:
The remaining zero is;
[tex]7+i[/tex]Explanation:
Given that two of the zeros of a polynomial are;
[tex]\begin{gathered} 5 \\ 7-i \end{gathered}[/tex]to get the remaining zero.
Recall that according to complex conjugates, complex roots/zeros comes in pairs;
[tex]\begin{gathered} a+bi \\ \text{and} \\ a-bi \end{gathered}[/tex]where a and b are real numbers.
Applying the rule to the given roots.
Since we have a complex root;
[tex]7-i[/tex]we must also have the other pair of the complex root;
[tex]7+i[/tex]Therefore, the remaining zero is;
[tex]7+i[/tex]
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