Recurrence relationship
In this section you will be looking at Recurrence Relations. A Recurrence Relation is an equation which recursively defines a Sequence. You must be able to find the Recurrence Relation for a given Sequence,...
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Arithmetic Sequences and Series
This article explores Arithmetic Sequences and Series. The main objectives in this article include; learning how arithmetic sequences work, how to find the common difference of an Arithmetic sequence, deriving the arithematic sequence and...
Foreign exchange
In this article we’re going to be looking at Foreign Exchange. Around the world people use different currencies, so when we visit different countries it’s important to know how much our currency is worth...
Solving Exponential Equations
Exponential equations: exponential equations are equations of the form y = ex Where x is the independent variable and y is the dependent variable. In many cases, y could also be a constant. e...
Bar Charts
Bar Chart:A bar chart or bar graph is a type of column chart where each data value is represented using rectangular bars with lengths proportional to the values that they represent. The bars in...
Special constants
π 2.71828 18284 59045…. e 2.71828 18284 59045… √2 1.41421 35623 73095… 1 radian 180°/π = 57.29577 95130…° 1° π/180 radians = 0.01745 32925… radians
Physical Constants
speed of light in a vacuum c 2.97 924 58×108 m s-1 (by definition) permeability of a vacuum µ0 4π 10-7 H m-1 (by denition) permittivity of a vacuum ε0 1/^µc² = 8.854 187...
Edexcel GCE Core Mathematics C1 January 2013 exam answers review
Factorise completely x − 4x³ (3) Answer ANSWER Explanation Explanation Express 82x+3 in the form 2y , stating y in terms of x. (3) Answer ANSWER Explanation Explanation Express (5 − √8 )(1 +...