Question

What number is equivalent to -55i to the second power

Answer 1

i

`= \sqrt{}`

Answer 2

`\bf i=√(-1)\qquad \qquad i^2=√(-1)\cdot √(-1)\implies √((-1)^2)\implies -1\\\\ -------------------------------\\\\ (-55i)^2\implies (-55)^2(i)^2\implies 3025\cdot i^2\implies 3025\cdot -1\implies -3025`