Sunday
March 26, 2017

Post a New Question

Posted by on .

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation.

Please help! Thank you:)

  • Math, Pre Calc - ,

    complex roots come in pair, so -i is also a root

    f(x) = (x-2)(x+2)(x-i)x+i)
    = (x^2-4)(x^2+1)
    = x^4 - 3x^2 - 4

  • Math, Pre Calc - ,

    Thanks!

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question