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Jun 21st, 2018
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  1. <?php
  2. //Дискриминант D квадратного трёхчлена ax2 + bx + c равен b2 - 4ac.
  3. function discriminant($base,$exp, $b, $c){
  4. $result = '';
  5. if($base == 0)
  6. exit();
  7. $result = pow($b, $exp)- 4*$base*$c;
  8. return $result;
  9. }
  10. echo discriminant(2,2,2,2);
  11. ?>
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