The degree of the polynomial $f (x) = (x^{2} - 1) (x - 3)$ is

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Solution

$f (x) = (x^{2} - 1) (x - 3) \Rightarrow f (x) = x^{3} - 3 x^{2} - x + 3$
As the highest power is $3$ , so the degree of the polynomial is $3$ .

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