Relations and Functions

Relations and Functions

Question

Write the conjugates of the following complex numbers :

space space space space space space space space space 7 over 5

Answer

Let                       space space space space space space space space space space space space space space space space space straight z space equals space 7 over 5 equals 7 over 5 plus 0 straight i space space space space space space space space space space space rightwards double arrow space space space space space space space space space space space space space top enclose straight z space end enclose space space equals space 7 over 5 plus space 0 straight i space equals space 7 over 5 minus 0 straight i space equals space 7 over 5

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