A-Level和GCSE需要考多少分才算通过？
如果目标高分，A-level和IG考试是具有一定压力的。可是如果目标只是PASS，就轻松很多。那么A-level和IG考多少分算过？ 官方说法，英国政府要求GCSE成绩达到4或以上算过，A-level成绩需要达到E。而高分过（high pa...
Edexcel A Level Maths: Pure:复习笔记8.2.1 Integration as the limit of a sum
Integration as the limit of a sum Finding the area under a curve Definite integration allows us to find the area under a curve An estimate for the area under the curve is the sum of the rectangula...
Edexcel A Level Maths: Pure:复习笔记8.1.5 Area between a curve and a line
Area between a curve and a line What is the area between a curve and a straight line? This is the area enclosed by a curve and a line between their intersections The intersections may need to be fo...
Edexcel A Level Maths: Pure:复习笔记8.1.4 Area Under a Curve
Area Under a Curve What does area under a curve mean? The phrase “area under a curve” refers to the area bounded by … ... the x-axis … the graph of y = f(x) … the vertical line x = a … the vertical...
Edexcel A Level Maths: Pure:复习笔记8.1.3 Definite Integration
Definite Integration What is definite integration? Definite Integration occurs in an alternative version of the Fundamental Theorem of Calculus This version of the Theorem is the one referred to by...
Edexcel A Level Maths: Pure:复习笔记8.1.2 Integrating Powers of x
Integrating Powers of x What is integration? Integration is the inverse ('opposite') of differentiation How do I integrate powers of x? For each term … … increase the power (of x) by 1 … divide b...
Edexcel A Level Maths: Pure:复习笔记8.1.1 Fundamental Theorem of Calculus
Fundamental Theorem of Calculus What is the fundamental theorem of calculus? The Fundamental Theorem of Calculus states that integration is the inverse process of differentiation This form of the T...
Edexcel A Level Maths: Pure:复习笔记7.5.1 Implicit Differentiation
Implicit Differentiation What is implicit differentiation? An equation connecting x and y is not always easy to write explicitly in the form y= f(x) or x = f(y) However you can still differentiate ...
Edexcel A Level Maths: Pure:复习笔记7.4.3 Connected Rates of Change
Connected Rates of Change What are connected rates of change? In situations involving more than two variables you can use the chain rule to connect multiple rates of change into a single equation E...
