Question

Which of the following is not a polynomial and why?

(a)
$x + {x}^{ - 1} = x + \frac{1}{x}$



(b)
$2 \sqrt{{x}^{3} }+3 \sqrt[3]{ {x}^{2} }+ 7$

(c)${x}^{2} + \sqrt{x} + 9$

(d) None of these​

Answer 1

Answer:

None of these are polynomials, as none of them have variables with powers as whole numbers.

If it helps mark me as brainliest.

Answer 2

d is the proper answer hoga