AQA A Level Maths: Pure復習筆記2.2.1 Quadratic Graphs
Quadratic Graphs What are quadratic graphs? The general equation of a quadratic graph is Their shape is called a parabola ("U" shape) Positive quadratics have a value of so the parabola?is u...
IB DP Maths: AA SL復習筆記5.3.1 Introduction to Integration
Introduction to Integration What is integration? Integration?is the opposite to?differentiation Integration is referred to as?antidifferentiation The result of integration is referred to as the?ant...
IB DP Maths: AA SL復習筆記5.2.6 Derivatives & Graphs
Derivatives & Graphs How are derivatives and graphs connected? asymptotes?–?vertical?and?horizontal intervals where the graph is?increasing?and?decreasing intervals where the graph is?concave d...
AQA A Level Maths: Pure復習筆記2.1.3 Surds - Rationalising the Denominator
Surds - Rationalising the Denominator What does it mean to rationalise a denominator? Rationalising a denominator changes a fraction with surds in its denominator, into an equivalent fractio...
Edexcel IGCSE Physics 復習筆記 2.2.1 Current in Series & Parallel
Edexcel IGCSE Physics 復習筆記 2.2.1 Current in Series & Parallel Current in Series Circuits In a circuit that is a closed-loop, such as a series circuit, the current is the?same value a...
IB DP Maths: AA SL復習筆記5.2.5 Concavity & Points of Inflection
Concavity of a Function What is concavity? Concavity?is the way in which a?curve?(or surface)?bends Mathematically,CONCAVE?DOWN?is often called?concave CONCAVE?UP?is often called?convex Exam...
AQA A Level Maths: Pure復習筆記2.1.2 Manipulating Surds
Manipulating Surds What are surds? If?n?is a positive integer and is not a square number, then?√n?(or any multiple of?√n?) is a?surd Surds are examples of?irrational numbers What do I need t...
AQA A Level Maths: Pure復習筆記2.1.1 Laws of Indices
Laws of Indices What do I need to know about laws of indices? Laws of indices (or index laws – 'index' is the singular, 'indices' is the plural) allow you to simplify and manipulate expressi...
AQA A Level Maths: Pure復習筆記1.2.1 Proof by Contradiction
Proof by Contradiction What is proof by contradiction? A proof by contradiction assumes the?opposite?result is true Then, through a series of logical steps, shows that this cannot be so How ...
