Z1+Z2, Z1-Z2, Z1*Z2, Z1/Z2. Если Z1=2-3i, Z2=4+3i

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5 июня, 05:43

Z1+Z2, Z1-Z2, Z1*Z2, Z1/Z2. Если Z1=2-3i, Z2=4+3i

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Буся · Answer 1

z₁=2-3i, z₂=4+3i

z₁+z₂=2-3i+4+3i=6

z₁-z₂=2-3i - (4+3i) = 2-3i-4-3i=-2-6i

z₁*z₂ = (2-3i) (4+3i) = 8+6i-12i-9i²=8-6i+9=17-6i

z₁/z₂ = (2-3i) / (4+3i) = (2-3i) (4-3i) / (4+3i) (4-3i) = (8-6i-12i+9i²) / (16-12i+12i-9i²) = (8-18i-9) / (16+9) = (-1-18i) / 25