MCQ
Which of the following is a polynomial?
- A$x^{-2}+2 x^{-1}+3$
- B$x+x^{-1}+5$
- C$2 x^{-1}$
- D0
✓
Answer
D. 0
Expressions in first three options contain negative powers of variable $x$. So, none of them is a polynomial. In option (d), 0 is zero polynomial whose degree is not defined.
Expressions in first three options contain negative powers of variable $x$. So, none of them is a polynomial. In option (d), 0 is zero polynomial whose degree is not defined.
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