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The curve y = 4x^2 + a/ x + 5 has a stationary point. Find the value of the positive constant a given that y-ordinate of the stationary point is 32.

This question might look hard but can be easily answered by breaking it down into steps and remembering a few key things. The first step is to recognise that the question is mentioning a stationary point whi...
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Answered by Helen B. • Maths tutor
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How can I reach top band marks in my essays?

What you're looking for is to be as analytic and succinct as possible. A lot of people struggle to not just describe events and tell a story. What's more important are your judgements and those of historians...
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Answered by Anthony R. • History tutor
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In statistics, what is the benefit of taking a sample survey rather than a census?

Taking a sample survey is quicker, cheaper and easier to carry out than a census.
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What is the difference between a co-ordinating clause and a subordinating clause?

A co-ordinate clause has equal importance to a main clause. For example, in "I ate a sandwich and Johnny ate pasta", the co-ordinating clause "Johnny ate a pasta" would make sense on its ...
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According to Tulving, what are the three types of long-term memory?

Tulving stated the three divisions of long-term memory (LTM) are episodic, semantic and procedural. Episodic = memories of events, including the locations and people involved. These are recalled consciously ...
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Answered by Anya M. • Psychology tutor
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