11 lines
197 B
PHP
11 lines
197 B
PHP
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<?php
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$n=5;
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$k=3;
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function factorial($val){
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for($f=2;$val-1>1;$f*=$val--);
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return $f;
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}
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$binomial_coefficient=factorial($n)/(factorial($k)*factorial($n-$k));
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echo $binomial_coefficient;
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?>
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