Concepts2
∑MathIntermediate
Binomial Theorem and Identities
The binomial theorem expands (x + y)^n into a sum of terms using binomial coefficients that count how many ways to choose k items from n.
#binomial theorem#binomial coefficient#pascal's triangle+12
∑MathIntermediate
Permutations and Combinations
Permutations count ordered selections, while combinations count unordered selections.
#permutations#combinations#binomial coefficient+12