Question

which of the following expressions r polynomials? which are not ?Give reasons. 1)5​

Answer 1

Answer:

(i)4x 2 +5x−2=4x 2+5x 1−2x 0

Here power of the equation is 2,1 and 0

Since all powers are whole number, it is a polynomial.

Now, since there is only one variable x,

it is a polynomial in one variable.