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 | 1 | initial version |
You can try to symplify your expression as follows:
sage: var('k,n')
(k, n)
sage: expr = n.factorial()/k.factorial()*binomial(k,n-k)
sage: expr.factorial_simplify()
factorial(n)/(factorial(2*k - n)*factorial(-k + n))
| | 2 | No.2 Revision |
You can try to symplify simplify your expression as follows:
sage: var('k,n')
(k, n)
sage: expr = n.factorial()/k.factorial()*binomial(k,n-k)
sage: expr.factorial_simplify()
factorial(n)/(factorial(2*k - n)*factorial(-k + n))
