Simplify K! (K+1)! - Mathematics Stack Exchange Pretend K=3 That means (K+1)= 4 This means you'd be dividing 3*2*1 by 4*3*2*1 Consider how you'd cancel out multiples by dividing them Like how (2 (5+x)) 2 would just equal 5+x Following that idea we'd pretty much be able to cancel out every number in the numerator, so long as its also in the denominator This would end up canceling every number except for 4 which equals (K+1) Essentially
Normalize values to sum 1 but keeping their weights 40 10 I need to format these numbers so that they form the sum 1, but they should keep their "weight" In this specific case: 40 would become 0 80 10 would become 0 2 But if I have more values (like 40, 10, 25, 5 for example), I am really lost because I don't know the formula