Ask Question
17 October, 20:25

What is the least possible degree of a polynomial that has roots - 5, 1 + 4i, and - 4i?

A. 2

B. 3

C. 4

D. 5

+5
Answers (1)
  1. 17 October, 20:55
    0
    Hello,

    if 1+4i is a root, its conjugate 1-4i is also one.

    Least degree: 3

    Answer B

    P (x) = (x+5) (x-1-4i) (x-1+4i)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the least possible degree of a polynomial that has roots - 5, 1 + 4i, and - 4i? A. 2 B. 3 C. 4 D. 5 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers