CIE A Level Maths: Pure 3复习笔记2.1.3 "e"
"e" Exponential Function What is e, the exponential function? The exponential function is y = ex e is an irrational number e ≈ 2.718 As with other exponential graphs y = ex passes through (0, 1) ha...
CIE A Level Maths: Pure 3复习笔记2.1.2 Logarithmic Functions
Logarithmic Functions Logarithmic functions a = bx and log b a = x are equivalent statements a > 0 b is called the base Every time you write a logarithm statement say to yourself what it means l...
CIE A Level Maths: Pure 3复习笔记2.1.1 Exponential Functions
Exponential Functions Exponential functions Exponential functions of the form y = ax with a > 0 are considered at A level Exponential graphs All graphs of the form y = ax will pass through (0, 1...
CIE A Level Maths: Pure 3复习笔记1.5.4 Approximating values
Approximating Values What is the general binomial expansion? The general binomial expansion, as given in the formula booklet, is If n ∈ ℕ then the expansion is finite (see Binomial Expansion) Other...
CIE A Level Maths: Pure 3复习笔记1.5.3 General Binomial Expansion - Multiple
General Binomial Expansion - Multiple What is the general binomial expansion? The general binomial expansion, as given in the formula booklet, is If n ∈ ℕ then the expansion is finite (see Binomial...
CIE A Level Maths: Pure 3复习笔记1.5.2 General Binomial Expansion - Subtleties
General Binomial Expansion - Subtleties What is the general binomial expansion? The binomial expansion applies for positive integers, n ∈ ℕ The general binomial expansion applies to other types of ...
CIE A Level Maths: Pure 3复习笔记1.5.1 General Binomial Expansion
General Binomial Expansion What is the general binomial expansion? The binomial expansion applies for positive integers, n ∈ ℕ The general binomial expansion applies to other types of powers too Th...
CIE A Level Maths: Pure 3复习笔记1.4.1 Further Modelling with Functions
Further Modelling with Functions How do I solve modelling problems? There will be no one-size-fits-all step-by-step guide to solving modelling questions A combination of skills and problem-solving ...
CIE A Level Maths: Pure 3复习笔记1.3.3 Quadratic Denominators
Quadratic Denominators What is meant by partial fractions with quadratic denominators? How do I find partial fractions involving quadratic denominators? STEP 1 Factorise the denominator a...
