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  1. #include <iostream>
  2.  
  3. int main()
  4. {
  5.     double a = 1.0;
  6.     double b = 3.0;
  7.     double c = 3.0;
  8.  
  9.     // real part
  10.     double xr = -b / (2 * a);
  11.  
  12.     // for imaginary part:
  13.     double radicand = 4 * a * c - b * b;
  14.     double denom = 2 * a;
  15.  
  16.     std::cout << xr << " + √(" << radicand << ")/" << denom << "\n";
  17. }
Success #stdin #stdout 0s 4272KB
comments (?)
stdin 
Standard input is empty
stdout 
-1.5 + √(3)/2
https://ideone.com/H5kIlM
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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