Identify the polynomial and mention their degrees.
$x^{9} - 1$

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Solution

In a polynomial exponents of all the variables must be in a whole number.
So, $x^{9} - 1$ is a polynomial.
The degree of a polynomial is the highest power of a variable.
Here, in $x^{9} - 1$ the highest power of variable $x$ is $9 .$
Hence, the degree of polynomial $x^{9} - 1$ is $9 .$

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