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Multiplication of Any Polynomial

Degree of the...

Question

Degree of the polynomial of $(x^{2} + 1) (x + 2)$ is___________.

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Solution

$(x^{2} + 1) (x + 2) = x^{3} + 2 x^{2} + x + 2$
$\Rightarrow$ Degree $= 3.$
Hence, the answer is $3.$

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