General Binomial Expansion (AQA A-Level Mathematics): Flashcards

Cutting off digits without rounding up

$5.68$

$0.00457$

$f(x) \approx f(a) + f'(a)(x - a)$

Tangent line at a point on curve

$(1 + x)^n \approx 1 + nx$

When $x$ is small

Expansion into infinite sum of terms from derivatives

$e^x \approx 1 + x + \frac{x^2}{2!}$

$5.67$