Question

is 14x²y/z polynomial?​

Answer 1

No, $\dfrac{14 x^2 y}{z}$ is not a polynomial. As, the exponent of z is not a whole number, i.e.,

$\dfrac{14 x^2 y}{z} = 14x^2z^{-1}y$

is (- 1). Thus, it is not a polynomial.