The Binomial Theorem (VCE SSCE Mathematical Methods): Quizzes

An expression with two terms

$n + 1$ terms

Sum of two numbers directly above it

$\frac{n!}{r!(n-r)!}$

$120$

$r = 7$

$n$

With decreasing powers of $x$

They decrease from $n$ to $0$

$\sum_{k=0}^{n} \binom{n}{k} x^{n-k} b^k$