IBO官方发布IB课程将转线上授课&考评！
近期，IBO官方发布了一则重磅消息——IB将转为线上考试！那么IB课程线上考试什么时候发布，现在进展如何，同学们应该如何应对呢？接下来小编就带大家一起来看看具体内容~ △图源：IBO官网 IB在线考试的实行的可能性 ...
Edexcel A Level Maths: Pure:复习笔记7.3.5 Quotient Rule
Quotient Rule What is the quotient rule? The quotient rule is a formula that allows you to differentiate a quotient of two functions (ie one function divided by another) If where u and v are funct...
Edexcel A Level Maths: Pure:复习笔记7.3.4 Product Rule
Product Rule What is the product rule? The product rule is a formula that allows you to differentiate a product of two functions If where u and v are functions of x then the product rule is: In fu...
Edexcel A Level Maths: Pure:复习笔记7.3.3 Chain Rule
Chain Rule What is the chain rule? The chain rule is a formula that allows you to differentiate composite functions If y is a function of u, and u is a function of x, then the chain rule tells us t...
Edexcel A Level Maths: Pure:复习笔记7.3.2 Differentiating Other Functions (Trig, ln & e etc)
Differentiating Other Functions (Trig, ln & e etc) How do I differentiate common functions? These are the common results How do I differentiate exponentials and logarithms? The two basic differ...
Edexcel A Level Maths: Pure:复习笔记7.3.1 First Principles Differentiation - Trigonometry
First Principles Differentiation - Trigonometry How do I derive the derivatives of trigonometric functions from first principles? Recall that for a function f(x) the definition of the derivative fr...
Edexcel A Level Maths: Pure:复习笔记7.2.6 Modelling with Differentiation inc. Optimisation
Modelling with Differentiation inc. Optimisation How can I use differentiation to solve modelling questions? Derivatives can be calculated for any variables – not just y and x In every case the der...
Edexcel A Level Maths: Pure:复习笔记7.2.5 Sketching Gradient Functions
Sketching Gradient Functions How can I sketch a function's gradient function? Using your knowledge of gradients and derivatives you can use the graph of a function to sketch the corresponding gradi...
Edexcel A Level Maths: Pure:复习笔记7.2.4 Stationary Points & Turning Points
Stationary Points & Turning Points What are stationary points? A stationary point is any point on a curve where the gradient is zero To find stationary points of a function f(x) Step 1: Find th...
