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9. Roots, Radicals, and Complex Numbers - 2! 2부
9. Roots, Radicals, and Complex Numbers / Multiplying and Dividing Complex Numbers / 문제 5
문제 5

In a simple AC circuit, impedances are sometimes represented as complex numbers and combine multiplicatively in series. Compute the product (2+3i)(4−i)(2 + 3i)(4 − i), representing the combination of impedances, and express the result in a+bia + bi form.