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- <?php
- //Дискриминант D квадратного трёхчлена ax2 + bx + c равен b2 - 4ac.
- function discriminant($base,$exp, $b, $c){
- $result = '';
- if($base == 0)
- exit();
- $result = pow($b, $exp)- 4*$base*$c;
- return $result;
- }
- echo discriminant(2,2,2,2);
- ?>
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