Question

If i= square root of -1 then t^2 =

Answer 1

Answer:

$\large\boxed{i^2=-1}$

Step-by-step explanation:

$i=\sqrt{-1}\\\\i^2=(\sqrt{-1})^2\\\\\text{use}\ (\sqrt{a})^2=a,\ \text{therefore}\ (\sqrt{-1})^2=-1$