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If (3 - 4i)/(3 + 4i) = a + bi, then a =?

a =

2007-05-06 09:51:41 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

1 answers

(3 - 4i) / (3 + 4i)
= (3 - 4i).(3 - 4i) / (3 + 4i).(3 - 4i)
= (9 - 24i - 16) / (9 +16)
= - (7 + 24i) / 25
a = - 7/25 and b = - 24/25

2007-05-06 10:14:28 · answer #1 · answered by Como 7 · 0⤊ 0⤋

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