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Q.

Among of the following, not a polynomial is

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a

$x^{2} + 5$

b

$8 x^{2} - 6 x + 6$

c

$x^{3} - 6 x + 2$

d

$\frac{2}{x^{3}} - 6 x$

answer is C.

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Detailed Solution

An algebraic expression involving the variables with non – negative integral powers is called a ‘’polynomial’’.

So, $\frac{2}{x^{3}} - 6 x$ is not polynomial.

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