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Find x and y. Remember that a + bi = c + di exactly when a = c and b = d. 8 = (4+8i)(x+yi)
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Jul 8, 2017
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Find x and y. Remember that a + bi = c + di exactly when a = c and b = d. 8 = (4+8i)(x+yi)
Mathematics
high-school
MSD Paul
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1
Answer
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x+yi =
8/(
4+8i)
x+yi =
2/(
1+2i)
x+yi =
2/(
1+2i)
× (
1−2i)/(
1−2i)
x+yi = (
2−4i) /
5
x+yi =
2/5
−
4/5
i
x= 2/5
y= -4/5i
Selby
answered
Jul 15, 2017
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Selby
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