# Key points

Flashcards by , created almost 6 years ago

## Core 2 Flashcards on Key points, created by Ben Smith on 05/01/2013.

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 Created by Ben Smith almost 6 years ago
Core 2 Chapter 1
Trigonometry
WJEC Core 2 Maths - Key Facts
Nouns & Definite Articles Notes
Maths
C2 - Formulae to learn
GCE Core Mathematics 2
Logarithms
Edexcel Core 2 Maths - Key Facts
Pure Mathematics with FP1 and FP2
 Question Answer Indice rules x(a) x x(b) = x(a+b) x(a)/x(b)=x(a-b) [x(a)](b)=x(axb) x(0)=1 x(-a) = 1/x(a) x(1/n) = nth root of x x(m/n) = [nth root of x](m) Equation of image and image of y=f(x) for: translation of Ai+Bj x by (x-a) y by (y-b) y-b=f(x-a) y=f(x-a) + b Equation of image and image of y=f(x) for: reflection in x-axis y by -y -y=f(x) y=-f(x) reflection in y-axis replace x by -x y=f(-x) Equation of image and image of y=f(x) for: Strech factor k in x-direction replace x by 1/kx y=f(1/kx) Equation of image and image of y=f(x) for: Stretch scale factor k in y-direction y by 1/ky 1/ky = f(x) y = kf(x) how to find limit of converging sequence? A=? d=? replace un and un+1 by l, form equation and solve first term common difference Binomial expansion ascending powers of b, descending powers of a