Question

Move numbers to the blanks to rewrite each square root. 2i -2 4i V51 -15 ivs

Answer 1

To rewrite each square root, factor each number and use one of the properties of roots, this way:

$\sqrt[]{-4}=\sqrt[]{4\cdot-1}=\sqrt[]{4}\cdot\sqrt[]{-1}=2i$$\sqrt[]{-5}=\sqrt[]{5\cdot-1}=\sqrt[]{5}\cdot\sqrt[]{-1}=i\sqrt[]{5}$

The blanks must be filled in with 2i and i sqrt(5) respectively.