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OpenStudy (alexandervonhumboldt2):
do you need to rationolize the denominator? or what? yeah
OpenStudy (anonymous):
5/5 = 40/ 5? Is that correct
OpenStudy (danjs):
yeah i^2=-1
put that into the complex number form prolly
a + b*i
OpenStudy (danjs):
(27+18i) / (9 - 4(-1))
27/13 + (18/13) *i
OpenStudy (anonymous):
The options are
Simplify 9 over quantity of 3 minus 2 i.
quantity of negative 27 minus 18 i over 13
9 i over quantity of 2 plus 3 i
quantity of 27 plus 18 i over 5
quantity of 27 plus 18 i over 13
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