A-level選課哪些科目認可度最高？
A-Level作為英國學生的大學入學考試課程，同學們經常會在選課時犯了選擇困難癥，因為大家都會考慮這個學科的前景、現狀以及在學界的受重視程度等等…… 想要申請英國大學比較熱門的專業，小伙伴們還需要根據要求學...
CIE A Level Maths: Pure 3復習筆記8.1.2 Complex Conjugation & Division
Complex Conjugation & Division When dividing?complex?numbers, we can use the?complex conjugate?to make the denominator a real number, which makes carrying out the division much easier. What is ...
CIE A Level Maths: Pure 3復習筆記8.1.1 Intro to Complex Numbers
Complex Numbers – Basics What is an imaginary number? What is a complex number? Worked Example Exam Tip Complex Numbers – Basic Operations How do I add and subtract complex numbers? When adding and...
CIE A Level Maths: Pure 3復習筆記7.3.4 Uses of the Scalar Product
Uses of the Scalar Product This revision note covers several applications of the scalar product for vectors – namely, how you can use the scalar product to: find the angle between vectors or lines ...
CIE A Level Maths: Pure 3復習筆記7.3.3 The Scalar ('Dot') Product
The Scalar ('Dot') Product The?scalar?product?is an important link between the algebra of vectors and the trigonometry of vectors. We shall see that the scalar product is somewhat comparable to the...
CIE A Level Maths: Pure 3復習筆記7.3.2 Parallel, Intersecting & Skew Lines
Parallel, Intersecting & Skew Lines In two dimensions, lines are either parallel or they intersect at a single point. If they are parallel, then either they have no points in common, or they sh...
CIE A Level Maths: Pure 3復習筆記7.3.1 Equation of a Line in Vector Form
Equation of a Line in Vector Form How do I find the vector equation of a line? You need to know: The?position vector?of one point on the line A?direction vector?of the line (or the position vector ...
CIE A Level Maths: Pure 3復習筆記7.2.2 Problem Solving using 3D Vectors
Problem Solving using 3D Vectors Problem-solving with 3-D vectors 3-D vector problems can be solved using the same principles as?2-D vector problems?(see Problem Solving using Vectors) Vectors can ...
CIE A Level Maths: Pure 3復習筆記7.2.1 Vectors in 3 Dimensions
Vectors in 3 Dimensions What is a 3-D vector? Vectors represent a movement of a certain?magnitude?(size) in a given?directionYou should have already come across (2D)?vectors?at AS (see Basic Vector...
CIE A Level Maths: Pure 3復習筆記7.1.5 Problem Solving using Vectors
Problem Solving using Vectors Problem-solving with vectors Vectors can be used to prove two lines are?parallel?(see Vector Addition) They can also be used to show points are?collinear?(lie on the s...
CIE A Level Maths: Pure 3復習筆記7.1.4 Position Vectors
Position Vectors What is a position vector? Position vectors describe the?position of a point?in relation to the?origin They are different to?direction vectors?which describe the?direction and dist...
CIE A Level Maths: Pure 3復習筆記7.1.3 Vector Addition
Vector Addition Vector addition Adding?vectors together lets us describes the?movement between two points The?single?vector this creates is called the?resultant?vector Subtracting?a vector is the s...
