Question

which of the following is not poloynomial( )
a.
$x ^{2} - 2x + 1$
b.
$\sqrt{3} x { }^{2} + 1$
c.
$\frac{1}{2x + 1}$
d.
$x {}^{2} y + xy + 1$
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Answer 1

Answer:

c

Step-by-step explanation:

because is in 1/ x value