Question

1/(1+i) - 1/(1-i)

please help!

Answer 1

first what is the LCM of 1-i and 1+i?

Answer 2

2

Answer 3

yes

Answer 4

2 = 1 - i^2
now multiply both fractions by this to get the numerator

Answer 5

= 1 - 1 - (1 + i)
------------
2

Answer 6

is the answer -i?

Answer 7

1 - i - (1 + i)
------------
2

= -2i / 2

= -i

Answer 8

thank you so much!

Answer 9

yw