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7.4.7  Multiplication by the complex conjugate

The denominator of a complex expression can be made a real number by multiplying the numerator and denominator of the expression by the complex conjugate of the denominator. The mult_c_conjugate can perform this multiplication.

Examples

mult_c_conjugate((2+i)/(2+3*i))
     

2+i

2−3 i

2+3 i

2−3 i
          
mult_c_conjugate((2+i)/2)
     

2+i

2−i

2−i
          

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