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For the polyn...

Question

For the polynomial function $f (x) = (1 - x^{2}) (x - 1)$ , the degree is:

- 3

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3

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4

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2

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Solution

The correct option is B $3$
Given that $f (x) = (1 - x^{2}) (x - 1)$
$\Rightarrow f (x) = - x^{3} + x^{2} + x - 1$
Since, here the highest power of $x$ is $3$ ,
$∴$ Degree of the polynomial function is $3.$

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