# Which of the following is a linear polynomial?

Question:

Which of the following is a linear polynomial?

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

(b) $x+1$

(c) $5 x^{2}-x+3$

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

Solution:

(b) $x+1$

Clearly, $x+1$ is a polynomial of degree 1 . So, it is a linear polynomial.

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