Question

Which one is not a polynomial 4x^2+2x-1
y+3/y
y^2+5y+1
x^3-1

Answer 1

Answer:

y+3/y

Step-by-step explanation:

y+3/y is not a polynomial because the variable is in denominator i.e

any variable in denominator is not a polynomial has power in negative and polynomial are not in negative power