Question

(1 ) Which of the following expression
is a polynomial?

a) √x-1
b) (x-1)/(x+1)
c) x^2 - 2/x^2 +5
d) (x^2+2x^3√2 +6)/√x​

Answer 1

Answer:

(x-1)(X+1)

x^2-1^2

so this is a polynomial

Answer 2

Step-by-step explanation:

all are polynomials of different numbers of terms