Let a and b be two roots of the equation x 2 + 2x + 2 = 0, then a 15 + b 15 is equal to:

Question:

Let $\alpha$ and $\beta$ be two roots of the equation $x^{2}+2 x+2=0$, then $\alpha^{15}+\beta^{15}$ is equal to:

  1. $-256$

  2. 512

  3. $-512$

  4. 256


Correct Option: 1

JEE Main Previous Year 1 Question of JEE Main from Mathematics Complex Numbers and Quadratic Equations chapter.
JEE Main Previous Year Jan. 9,2019 (I)

Solution:

Leave a Reply

Your email address will not be published. Required fields are marked *

error: Content is protected !!