h-statement-correctly-defines-the-imaginary-unit-i-and-its-basic-square-property

Question

Which statement correctly defines the imaginary unit ii and its basic square property?

Accepted Answer

i=−1i=\sqrt{-1} and i2=−$$1i^2$$ = −1

Answer

i=±1i=\pm1 and i2=−$$1i^2=-1  $$

Answer

i=1i=1 and i2=$$1i^2 = 1 $$

Answer

i=1−1i=\frac{1}{\sqrt{-1}} and i2=$$1i^2 = 1$$