How do you find the conjugate of −4+5i?





How do you find the conjugate of 4+5i?

Answer & Explanation

Larissa Hogan

Larissa Hogan


2022-02-01Added 10 answers

To find a complex conjugate, simply change the sign of the imaginary part (the part with the i).
This means that it either goes from positive to negative or from negative to positive.
As a general rule, the complex conjugate of a+bi is abi.
Therefore, the complex conjugate of 4+5i is 45i.

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