2023 香港AP考试新增科目报考名额！
中国大陆考场不接受社会考生的报名，仅为AP授权学校的学生提供考试。所以社会考生需要到周边考场参加考试，如中国香港、韩国、新加坡等地区考场。 由于AP考位紧张，不少考生担心抢不到考位，在众多考生的呼吁下，...
Edexcel A Level Maths: Pure:复习笔记10.1.2 Change of Sign Failure
Change of Sign Failure When can the sign change method fail? There are certain circumstances where a change of sign fails to appropriately reflect the number or existence of roots If the interval i...
Edexcel 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...
Edexcel 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...
Edexcel 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 =...
Edexcel 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 proper...
Edexcel 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 … … t...
Edexcel 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 ...
Edexcel 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...
