2023年Brain Bee腦科學(xué)大賽報名開啟！
Brain Bee腦科學(xué)活動（International Brain Bee Championship）發(fā)源于美國，是一項面向全球青少年的課外挑戰(zhàn)活動，旨在鼓勵學(xué)生認識、研究人類大腦，今后從事生物、醫(yī)學(xué)、心理、化學(xué)、計算機、人工智能等相關(guān)專業(yè)...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記4.1.1 Binomial Expansion
Binomial Expansion What is the binomial expansion? Look at the pattern Start at?nC0, then?nC1,?nC2, etc Powers of?a?start at?n?and decrease by 1 Powers of?b?start at 0 and increase by 1 &nbs...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.2.5 Radius & Tangent
Radius & Tangent What is the relationship between tangents and radii? A?tangent?is a line that?touches?a circle at a single point but doesn't cut across the circle A tangent to a circle is perp...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.2.4 Angle in a Semicircle
Angle in a Semicircle What is the angle in a semicircle property? It is always possible to draw a?unique?circle through the three vertices of a triangle – this is called the?circumcircle?of the tri...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.2.3 Bisection of Chords
Bisection of Chords How can I find the equation of a perpendicular bisector? The?perpendicular bisector?of a line segment: is perpendicular to the line segment goes through the midpoint of the line...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.2.2 Finding the Centre & Radius
Finding the Centre & Radius How can I find the centre and radius from any form of the equation of a circle? A circle equation in a different form can always be rearranged into?(x-?a)2?+?(y?-?b)...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.2.1 Equation of a Circle
Equation of a Circle What do I need to know about the equation of a circle? A circle with centre?(a,?b)?and radius?r?has the equation ?You need to be able to find the centre and radius of a circle ...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.1.4 Modelling with Straight Lines
Modelling with Straight Lines What is modelling with straight lines? Modelling?means applying the mathematics to a?real-life?situation The model is used to?find?or?predict?future values Models will...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.1.3 Equation of a Straight Line
Equation of a Straight Line What is the equation of a straight line? y = mx + c?is the equation for any straight line m?is?gradient?given by “difference in?y” ÷ “difference in?x” or?dy/dx c?is the?...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.1.2 Parallel & Perpendicular Gradients
Parallel & Perpendicular Gradients What are parallel lines? Parallel?lines are equidistant meaning they never meet Parallel?lines have?equal?gradients What are perpendicular lines? Perpendicula...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記3.1.1 Basic Coordinate Geometry
Basic Coordinate Geometry What is basic coordinate geometry? Basic coordinate geometry refers to working with points, lines and shapes on the coordinate axis Cartesian?coordinates are simply the?x?...
Edexcel A Level Maths: Pure:復(fù)習(xí)筆記2.13.1 Further Modelling with Functions
Further Modelling with Functions Assumptions, criticisms and refinements in modelling Modelling is a large part of A level mathematics Assumptions?and?refinements?to models often need to be conside...
