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first we need to work out the gradient of the tangent at (5,8). so first differentiate the equation once with respect to x. this gives is dy/dx=2x-4. so at (5,8) the gradient of the tangent is 6. this mea...

One of the most important parts of German Grammar is learning how the four cases (Nominative, Accusative, Genitive and Dative) function and how they are responsible for other important Grammar points such...

In teaching french lanauage i find that there are lots of rules that need to be learned. For the example of object pronouns there is a good diagram (triangle shape) to follow. This diagram shows that me/t...

Evolution by natural selection arises when these three properties are present in a system

• Heredity - offspring resemble their parents in discrete characteristics.

• Variat...

The reflex arc describes a sequence of events leading to an action that takes place rapidly in response to a stimulus without having to think about it i.e. without an impulse travelling to the brain for c...