Which of the following is a polynomial ? (a) x−2+x−1+3 (b) x+x−1+2 (c) x−1 (d) 0

Which of the following is a polynomial ? (a) x−2+x−1+3 (b) x+x−1

1.	Which of the following is a polynomial ? (a) x−2+x−1+3 (b) x+x−1+2 (c) x−1 (d) 0
Answer» Which of the following is a polynomial ? (a) $x^{- 2} + x^{- 1} + 3$ (b) $x + x^{- 1} + 2$ (c) $x^{- 1}$ (d) $0$