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1) Economic growth
Positive economic growth means the increase of production of goods and services in a country. More goods and services mean a better standard of living for the general p...
1. First you need to learn how to recognise the form:
Difference of two square numbers. a2 - 36
(a2 is a square number and 36 is also a ...
Differentiation is used to find the gradient of a line, or curve. It can also be used to find the co-ordinates of stationary points, whether these be minimum, maximum or points of inflection. The secon...
The SUVAT equations are used when acceleration is constant and velocity is changing. If speed is constant, you can use the speed, distance and time triangle. They can be used to work out initial and fi...
Although we don't use them in English, cases are really important in German!
Every noun/pronoun in a German sentence is in a particular case, depending on its function in the sentence.
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