Question

Which of the following algebraic expressions are not polynomials ?

1) x³ + 2x³ + √7x + 4 

2) 5x² + √4x – 11

3) \(\cfrac{x^3+3x^2-8x+11}{4x\sqrt{x}-3x+3}\)

4) \(\cfrac{x^3+3x^2-6x+13}{x^2+1}\)

A) 1, 2 and 3 

B) 1 and 3 

C) 2 and 3 

D) 1 and 4

Answer 1

Correct option is C) 2 and 3