SOLUTION: I need helping sloving this problem. Write a third degree polynomial equation withreal coefficients and the given roots.2,2+i. Also what does i equal.
Algebra ->
Polynomials-and-rational-expressions
-> SOLUTION: I need helping sloving this problem. Write a third degree polynomial equation withreal coefficients and the given roots.2,2+i. Also what does i equal.
Log On
Question 243632: I need helping sloving this problem. Write a third degree polynomial equation withreal coefficients and the given roots.2,2+i. Also what does i equal. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! I need helping sloving this problem. Write a third degree polynomial equation withreal coefficients and the given roots.2,2+i. Also what does i equal.
--------------
2+i is a complex number, and complex roots come in conjugate pairs, so the 3rd root is 2-i.
The equation is (x-2)*(x -2+i)*(x - 2-i) = 0
