private static IArray <Fraction> Binomial(this Fraction fraction, uint size)
{
return(new Array <Fraction>(
size: size,
atF: index =>
{
var left = fraction.Complement().Power(index.Complement(size));
var right = fraction.Power(index);
var coefficient = size.Binomial()[index];
return new Fraction(Fractions.Interval.Join(left, right).Content *coefficient);
}));
}