Which of the following are not polynomials?
A. x² +2√x+1
B.x²+x+1
C. 2/3x2+x+1
D. x2+√2x+1
E. x-2+x+1
![Which of the following are not polynomials A x 2x1 Bxx1 C 23x2x1 D x22x1 E x2x1 class=](https://us-static.z-dn.net/files/d83/51680502ab13233ce296474e7b0eb0b4.png)