Hello, would really appreciate if anyone could answer this questions for me ... i'm really stuck! If possible, could you show all working out because otherwise i will get lost!

* Find all the fifth roots of - 1.

* Find all the third roots of 2 + 2 i .

*3. If w = (z - i)/(z+i) and z lies below the real axis, show that w lies outside the unit circle

| w | = 1.

How will w move as z travels along the real axis from - infinity to + infinity ?

*4. Prove that the area A ( a, b, c ) of the triangle in the complex plane with corners at a, b, c

must be C (Complex), ordered in anti-clockwise fashion, is given by the formula:

A ( a, b, c ) = (i/4)( ab` - a`b + b c `- b`c + c a` - c`a )

Thank you !