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One of the easiest ways to find a minimum/ maximum point is using differentiation. The derivative of the function f(x) is usually written as dy/dx or f'(x) and is essentially a function that tells us the gra...

Attribution Theory is a method of linking success or failure to internal or external and stable or unstable factors. -Internal table factor is ability, a coach would say we won because we are good. This impr...

There is no set length for how long a 30 mark essay answer should be. However, in terms of content, the answer should include 3/4 main arguments. Within these 3/4 paragraphs there should be detailed analysis...

With a 6 mark question the basic structure for an answer is 3 key points with a few lines of evidence and analysis per point. For example: If the question was 'Name 3 key features of the Potsdam Conference o...

For a quadratic equation ax^2 +bx +c = 0 with equal roots we know the discriminant b^2-4ac must equal 0. From our equation we have a=1, b=4k and c=2(k+1) so using b^2-4ac = 0 we have (4k)^2 -4 1 2(k+1) = 0 E...