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{ multiply and divide remaining terms }

...
{result}
  35

n!/k! = PI(x) where x goes from (k+1) to (n) assuming n > k; PI(x) sta
+nds for product of<p>
<readmore>

#!/usr/bin/perl

...
print ("Length of expanded numerator   = ", scalar @nexp, $/);
print ("Length of expanded denominator = ", scalar @dexp, $/);
print ("Total Number of elements = ", scalar @nexp + scalar @dexp, $/)
+;

__END__
Denominator: Going to push from 44290 to 56089
...
Length of expanded denominator = 44289
Total Number of elements = 47448