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First we should try and factorise the polynomial the brackets will be (x+?) and (x-?) as the coefficient of x and the -21 have differing signs.just thinking of the factors of 21 we can see that 7-3 = 4 th...
The Catholic threat during Elizabeth's reign can be defined as ever - changing. Throughout Elizabeth's reign the extent to which the Catholic's threatened Elizabeth and her rule continued to fluctuate. We...
The formula axb = |a||b|sinθ is given in the formula bookletTherefore, θ, the angle between both vectors a and ...
The separation of powers is where the political system is divided into three 'branches' and power is divided between these branches. These branches are: the legislature (the body that makes laws - in the ...
This effect is called diffraction. This occurs when waves spread over obstacles or through gaps.
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