Question 549291: what is the polynomial of least degree that includes the zeroes -5, 1+3i, 1-3i?
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! what is the polynomial of least degree that includes the zeroes -5, 1+3i, 1-3i?
f(x) = (x+5)(x-1-5i)(x-1+5i)
----
f(x) = (x+5)((x-1)^2+25)
---
f(x) = (x+5)(x^2-2x+26)
----
f(x) = x^3+3x^2+16x+130
============================
Cheers,
Stan H.
|
|
|