Which of the following expressions are not polynomials :
(i) x2+2x−2
(ii) √ax+x2−x3
(iii) 3y3−√5y+9
(iv) ax12+ax+9x2+4
(v) 3x−2+2x−1+4x+5
Simplify each of the following and write as a single polynomial.
(i)
(ii)
(iii)
(iv)
(v)