Binomial expansion

Binomial expansion is a way of expanding an expression in the form (a+b)^n into a sum of terms, e.g. (a+b)^2 = a^2 + 2ab + b^2.

Instead of us having to multiply out large sets of brackets, we can just use a few formulas or buttons on the calculator to find the expansion.

flashcards

QuestionAnswer
QuestionAnswer
What is binomial expansion?A way of expanding an expression in the form (a+b)^n into a sum of terms, e.g. (a+b)^2 = a^2 + 2ab + b^2.
What is the main advantage of using binomial expansion instead of multiplying out brackets?It avoids multiplying out large sets of brackets by using formulas or calculator buttons.
List two related concepts for binomial expansion.binomial combination and binomial theorem
What is common binomial expansions?A related concept for binomial expansion.