# Complex Generating Function

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Thread starter 1 month ago
#1
Given that , how do we then go to showing that ? I get the use of partial fractions but I can't see how you end up with a complex exponential in both terms? Would someone be able to explain?
Last edited by username42530853; 1 month ago
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1 month ago
#2
Not sure what you're confused about but they've simply written
4+3i = 5e^(i*phi)
(or similar) and its complex conjugate for 4-3i. Then use partial fractions as you say.
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Thread starter 1 month ago
#3
(Original post by mqb2766)
Not sure what you're confused about but they've simply written
4+3i = 5e^(i*phi)
(or similar) and its complex conjugate for 4-3i. Then use partial fractions as you say.
Ah yes of course, thank you
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