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firstly the largest power is x^2 so when factorising we know that both brackets must involve an x plus or minus a number. next we look at the 21 and we need two numbers that multiply together to get this num...

Presenting your working out is extremely important because it's makes the examiners jobs easier, keeping them happy.One thing you should aim to do is not write too small, try and use all the space you're giv...

Batch processing is when a series of jobs are exectued without any human interfering. This means that in batch processing, all necessary information is collected first and given to the processor as the input...

The first thing you should do is determine which elasticity you are being asked. There are four different types of elasticities: 1. PED = Price Elasticity of Demand 2. YED = Income Elasticity of Demand 3. XE...

The term anomie was coined by functionalist sociologist, Emile Durkheim in his study of suicide. Anomie refers to the lack of cohesion in relation to norms and values. In others words, this is were an indivi...