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muxun
@muxun
July 2022
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Помогите вычеслить.(Хоть частично) Z1+Z2, Z1-Z2, Z1•Z2, Z1÷Z2, -Z1, ÷Z2, если Z1=2+3i, Z1=1-4i
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flsh
Z₁+Z₂ = (2 + 3i) + (1 - 4i) = 3 - i
Z₁-Z₂ = (2 + 3i) - (1 - 4i) = 1 + 7i
Z₁·Z₂ = (2 + 3i)(1 - 4i) = 2 - 8i + 3i + 12 = 14 - 5i
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muxun
спасибо большое.
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Answers & Comments
Z₁-Z₂ = (2 + 3i) - (1 - 4i) = 1 + 7i
Z₁·Z₂ = (2 + 3i)(1 - 4i) = 2 - 8i + 3i + 12 = 14 - 5i