Question

express in terms of i - sqrt -50

Answer 1

\[\Huge -\sqrt{-50}=-i\sqrt{25\cdot 2}\]
can you do it now ? :)

Answer 2

use i^2 = -1

\[\sqrt{-50} = \sqrt{2\times 25 \times i^2}\]

then \[\sqrt{-50} = 5i \sqrt{2}\]