College Algebra Complex Numbers Operations with Complex Numbers
Division
   Interactive Example 1

If   and   , find    .

z1 = x1+iy1
x1   
y1   
z2 = x2+iy2
x2   
y2   
Solution 1
By the definition,
 

Solution 2
By multiplying both numerator and denominator of the quotient by the conjugate of the denominator,
 


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