Question

Which one is not a polynomial?
a•] 4x^2+2x-1
b•]
$y + \frac{3}{y}$
c•] x^3-1
d•] y^2+5y+1

$<marquee>Explain your answer with reason</marquee>$​

Answer 1

Answer:

y+3/y is not a polynomial because the coefficient of y is 3/y which is a fraction . The coefficient of a variable can not be fraction or root and the power of a variable or constant can't be in the form of fraction,root, negative integer.