Question

which of the following is a quadratic polynomial in one variable a,x^2-3/x^2 b,x^2-1 c,√4x^3 d,2x^2+y^2​

Answer 1

Answer:

b

a)x^2-3/x^2 here X power-2 so it not polynomial

b)x^2-1 here it is one variable of x

c)√4x^3

d)2x^2+y^2 here two variables x and y