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A stationary point is where the curve has 0 gradient. So to prove that x=4 is a stationary point, we must find the equation of the first derivative. To do this, differentiate x2 - 2x - 24sqrtx....
Whilst explaining my response I would highlight the use of the different assessment objectives in my answer, to show where my answer is picking up marks on the mark schemeSettings and places can ...
The volume of revolution is given by integrating Piy2 dx from 0 to 1.Squaring, y2=1/(x2+2x+2)Completing the square, we see that y=1/((x+1)2+1)Make the subst...
When talking about the past in French, the two commonly used tenses are the passé composé and the imparfait. It is important to consider which of these tenses to use, otherwise you may n...
According to the multi-store model of memory, short-term memory is a unitary store with a very limited capacity and finite duration. Miller (1956) demonstrated that short-term memory has a capacity of 7 i...
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