Question

1. Which of the following expressions are polynomials in one variable and which are
not? State reasons for your answer.
y+2/y​

Answer 1

Answer:

y + (2/y) can be written as y + 2y–1 . Here in the second term, power of y is negative and according to the definition of polynomials, for a equation to be a polynomial, degree has to be positive. So, the given equation is not a polynomial.