# Which of the following is a binomial?

Question:

Which of the following is a binomial?

(a) $x^{2}+x+3$

(b) $x^{2}+4$

(c) $2 x^{2}$

(d) $x+3+\frac{1}{x}$

Solution:

(b) $x^{2}+4$

Clearly, $x^{2}+4$ is an expression having two non-zero terms. So, it is a binomial.