UPSKILL MATH PLUS
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Learn moreZero of polynomial \(p(x)\) is a real number '\(a\)' such that \(p(a)= 0\).
For polynomial \(p(x)\), if \(p(a) = 0\) then the zero of the polynomial is \(x = a\).
So, we put \(p(x) = 0\) to find zero of the polynomial.
The value of \(x\) is then found.
Important!
1. Zero of a polynomial: To find the zero of polynomial, we put \(p(x) =\) \(0\) in the given polynomial \(p(x)\).
2. Zeros of a polynomial is the real number '' for which if . In this situation, we say \(p(x) = 0\) is a polynomial equation, and is a root of the polynomial.
3. Each real number is a zero of the zero polynomial .
4. The non-zero constant polynomial does not have zeros.
Example:
1. Find the zero of the polynomial \(p(x)=3a\).
Putting \(p(x) = 0\) in the polynomial equation.
Thus, \(a=0\) is the zero of the polynomial \(p(a)=3a\).
2. Find the zero of a polynomial .
Putting \(p(x) = 0\) in the polynomial equation.
Thus \(x=2\) is the zero of the polynomial .
3. For the zero polynomial, \(p(8) = 0\), \(8\) is the zero and it is a real number.
4. For the constant polynomial does not have a zero.