2013 · Q23
One of the factors of the polynomial x^4 − 7x³ + 5x² − 6x + 81 is
Elementary MathematicsAlgebra
- Ax+2
- Bx−2
- Cx+3
- Dx−3
Explanation
P(3)=81−189+45−18+81=0, so (x−3) is a factor. Answer D.
One of the factors of the polynomial x^4 − 7x³ + 5x² − 6x + 81 is
Explanation
P(3)=81−189+45−18+81=0, so (x−3) is a factor. Answer D.