Question

Find the roots of the quadratic equation x2 + 121 = 0.11 and -1111i and -11i11i and -11-11i and 11

Answer 1

Given:

There is a quadratic equation given as

$x^2+121=0$

Required:

We need to find the roots of given equation

Explanation:

To find roots

$\begin{gathered} x^2+121=0 \\ x^2=-121 \\ x=\sqrt{-121} \\ x=\pm11i \end{gathered}$

Final answer:

x=11i and x=-11i