Question

Find Polynomial or not
$5x^{3}-4x^{2}+\frac{1}{2}$
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Answer 1

$5x^{3}-4x^{2}+\frac{1}{2}$

This can be simplified as

$5x^{3}-4x^{2}+ {2}^{ - 1}$

Here, there is a power of -1 which is not a whole number. Thus this cannot be a polynomial