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Z1 = 1 + i, z2 = 2 − 3i. Verify the following : z1+z2¯=z1¯+z2¯ - Mathematics and Statistics

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Question

z1 = 1 + i, z2 = 2 − 3i. Verify the following : 

`bar("z"_1 + "z"_2) = bar("z"_1) + bar("z"_2)`

Sum

Solution

z1 = 1 + i, z2 = 2 − 3i

∴ `bar("z"_1)` = 1 − i, `bar("z"_2)` = 2 + 3i

z1 + z2 = (1 + i) + (2 − 3i) = 3 − 2i

∴ `bar("z"_1 + "z"_2)` = 3 + 2i

`bar("z"_1) + bar("z"_2)` = (1 − i) + (2 + 3i)

= 3 + 2i

∴ `bar("z"_1 + "z"_2) = bar("z"_1) + bar("z"_2)`

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Argand Diagram Or Complex Plane
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Chapter 1: Complex Numbers - Exercise 1.3 [Page 15]

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