Question

is x^2+x+3 is a polynomial

Answer 1

Answer:

yes, it is. .

Step-by-step explanation:

#happytohelp

Answer 2

Answer:

No not at all.

all variables of a polynomial must not have any index which does not belong to z+ or 0.

In this case 1/2x=2x^(-1)

-1 is not a number belonging to z+ or 0.

So,it is not a polynomial at all.