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The conjugate value of a complex number is obtained by changing the sign of the imaginary component. The conjugate value of the complex number 
is therefore the number:
The points of the complex numbers 
and 
lie in the complex plane symmetrically with respect to the real axis:
The following rules apply to conjugation:
Conjugation is reciprocal:
The conjugate value of the sum of two complex numbers is equal to the sum of their conjugate values:
The absolute value of the product of two complex numbers is equal to the product of their absolute values:
