AQA A Level Maths: Pure复习笔记10.1.1 Change of Sign
Change of Sign What does a change of sign mean? A sign change between f(a) to f(b) means there must be a root between a and b When an equation cannot be solved using the usual analytical methods, w...
AQA A Level Maths: Pure复习笔记9.2.3 Modelling with Parametric Equations
Modelling with Parametric Equations What can be modelled with parametric equations? A common use for parametric equations is motion in two dimensions x = f(t) – horizontal position, dependent on ti...
AQA A Level Maths: Pure复习笔记9.2.2 Parametric Integration
Parametric Integration How does integration work with parametric equations? Integration is used to find the area under a curve where the curve has been defined by parametric equations x = f(t) y = ...
AQA A Level Maths: Pure复习笔记9.2.1 Parametric Differentiation
Parametric Differentiation How do I find dy/dx from parametric equations? Ensure you are familiar with Parametric Equations – Basics first This method uses the chain rule and the reciprocal propert...
AQA A Level Maths: Pure复习笔记9.1.3 Parametric Equations - Sketching Graphs
Parametric Equations - Sketching Graphs How do I sketch a graph from parametric equations? Plotting a graph is covered in Parametric Equations - Basics Still find the key features of a graph … … th...
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被称为商科经济学的“奥运会”，这就是FBLA未来商业领袖挑战，美国高中影响力巨大的商科赛事，想要攻坚名校的同学不能不知道！fbla商赛培训选择哪一家机构？准备时间越发紧张，该怎么准备呢？首先我们先来简单了解...
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AQA A Level Maths: Pure复习笔记9.1.2 Parametric Equations - Eliminating the Parameter
Parametric Equations - Eliminating the Parameter What does eliminating the parameter mean? In parametric equations, x = f(t) and y = g(t) There is still a connection directly linking x and y This w...
AQA A Level Maths: Pure复习笔记9.1.1 Parametric Equations - Basics
Parametric Equations - Basics What are parametric equations? Graphs are usually described by a Cartesian equation The equation involves x and y only Equations like this can sometimes be rearranged ...
AQA A Level Maths: Pure复习笔记8.3.5 Solving & Interpreting Differential Equations
Solving & Interpreting Differential Equations How do I solve a differential equation? Solving differential equations uses integration! The precise integration method will depend on the type of ...
AQA A Level Maths: Pure复习笔记8.3.4 Modelling with Differential Equations
Modelling with Differential Equations What can be modelled with differential equations? There are many situations that involve “change” Temperature Radioactivity Medication Sales How do I set up ...
AQA A Level Maths: Pure复习笔记8.3.3 Separation of Variables
Separation of Variables What does separation of variables mean? Many differential equations used in modelling either … … have two variables involved (ie x and y), or, ... involve a function of the ...
