Question

which of the following expressions are polynomials?which are not?give reasons​

Answer 1

Answer:

a x + x 2 − x 3 is not a polynomial because 1 2 is the power of variable x is not a non negative integer

Answer 2

Answer:

Any expression which consists of variables, constants and exponents, and is combined using mathematical operators like addition, subtraction, multiplication and division is a polynomial expression.