Question

which of the following is not a polynomial (a)
${x}^{2} + {x}^{5} + \frac{1}{2x}$
(b)
${x}^{4} + {x}^{2} + \frac{1}{4} x$
(c)
${x}^{2} + \frac{5}{4} {x}^{2} + x$
(d)
${x}^{2} + {x}^{3} + 2x$
​plz help me l want the ans now plz!!

Answer 1

Answer:a

Step-by-step explanation:

Because polynomials should not have negative power

1/2x=(1/2)x^-1

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