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In a polar-form product, what happens to moduli and arguments?
AModuli multiply, arguments add
BModuli add, arguments add
CModuli add, arguments multiply
DModuli multiply, arguments multiply
Answer & Solution
Correct answer: A. Moduli multiply, arguments add
Product of r1 e^(i phi1) and r2 e^(i phi2) is r1 r2 e^(i(phi1 + phi2)).
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