Question
Suppose I tell you that one root of a polynomial function, f(x), is 4+3i . What must also be a root of f(x)?
281
likes1404 views
Answer to a math question Suppose I tell you that one root of a polynomial function, f(x), is 4+3i . What must also be a root of f(x)?
Eliseo
4.6106 Answers
1. Given that \(4+3i\) is a root.
2. For polynomials with real coefficients, complex roots always appear in conjugate pairs.
3. Therefore, the complex conjugate \(4-3i\) must also be a root.
Answer:4-3i
2. For polynomials with real coefficients, complex roots always appear in conjugate pairs.
3. Therefore, the complex conjugate \(4-3i\) must also be a root.
Answer:
Frequently asked questions (FAQs)
Question: Determine the vertex and axis of symmetry of the quadratic function y = -2x^2 + 3x + 5.
+
Math question: Find the hypotenuse of a right triangle with legs measuring 5 cm and 12 cm.
+
Math question: Find the limit as x approaches 3 of [(x^2-9)/(x^2+x-12)] + [(x-3)/(x+3)]
+
New questions in Mathematics