Perform the indicated operations and write the answer in the form x + i y where `x,yinR`.
`(i^(4n+1) - i^(4n-1))/2, n in Z`

Perform the indicated operations and write the result in the form x + iy : (- 3-2i)+(-6+ 3i) .

Perform the indicated operations and write the result in the form x + iy : (1/2+7/2 i)- (4+5/2 i) .

Perform the indicated operations and write the result in the form x + iy : (1- 2i) -i + (4- 7i)-2i + (5i + 3) .

Perform the indicated operation and give your answer in the form x + iy, where x and y are real numbers and i = sqrt (-1) . (1/2+1/4i)(-2/3-1/4i) .

Perform the indicated operation and give your answer in the form x + iy, where x and y are real numbers and i = sqrt (-1) . (5+2i)/(-1+sqrt 3 i) .

Perform the indicated operation and give your answer in the form x + iy, where x and y are real numbers and i = sqrt (-1) . (sqrt5-7i)(sqrt5-7i)^2+(-2+7i)^2 .

In the following perform the indicated operations and write the result in the form x + iy: -2i+(3/2-4i) .

In the following perform the indicated operations and write the result in the form x + iy: i^3 +(6 + 3i)-(20+5i) + (14+3i) .

In the following perform the indicated operations and write the result in the form x + iy: (5 +4i)+(5- 4i) .

In the following perform the indicated operations and write the result in the form x + iy: (4 + 3i)-(3+ 4i) .