《纽约时报》发布5篇2022年度优秀大学申请文书！
每年，《纽约时报》都会向美国学生征集关于金钱、工作或社会阶层的大学申请文书，并选择优秀的文书刊登。 近期，《纽约时报》发布了2022年度评选出来的5篇文书，一起来看一下吧！ 1Katya Spajic New York — Bronx...
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...
2023NEC全美经济学挑战火热报名中，翰林新版NEC精编讲义助你一臂之力！
NEC全美经济学挑战火热报名中！ 截止日期：11月30日 由全球经济与金融教育最权威的学术机构——CEE（美国经济教育学会）举办，旨在激发学生对经济学知识的兴趣、培养解决问题的能力、建立审辩性思维习惯。 适合学...
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...
Edexcel A Level Maths: Pure:复习笔记7.4.2 Points of Inflection
Points of Inflection What is a point of inflection? At AS level you encountered points of inflection when discussing stationary points When the sign of the first derivative (ie of the gradient) is ...
Edexcel A Level Maths: Pure:复习笔记7.4.1 Applications of the Second Derivative
Applications of the Second Derivative What applications of the second derivative do I need to know? The second order derivative (or simply second derivative) is encountered at AS level At AS level ...
Edexcel A Level Maths: Pure:复习笔记7.3.6 Differentiating Reciprocal and Inverse Trig Functions
Differentiating Reciprocal and Inverse Trig Functions How do I differentiate the reciprocal trigonometric functions? The formulae for the derivatives of the reciprocal trigonometric functions are: ...
