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Given that y = 16x + 1/x , find the two values of x for which dy/dx = 0

The first stage of this question involves differentiating the equation of y in terms of x given to us. In order to differentiate, we first need to write y in terms of base x (where all the terms are x to the...
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Answered by Andrew K. • Maths tutor
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Give one limitation of the cognitive approach to understanding behaviour.

One limitation of the cognitive psychology approach to understanding behaviour is that it lacks ecological validity. Common paradigms and tasks utilised by cognitive psychologists (e.g. the Stroop task) are ...
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What factors should be taken into account when deciding which advertising media to use?

Since advertisement requires large sums of investment, businesses must make sure they 'get it right' from the beginning. The choice of media is an important decision, so businesses should consider the follow...
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What is the difference between cyclic and non-cyclic photosynthesis?

These are the two types of photophosphorylation and they occur in the light-dependent stage of photosynthesis. We will start with non-cyclic photophosphorylation as this is the step we expect to see when the...
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Answered by Smit V. • Biology tutor
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What is the simples way to integrate by part?

In a case of integral that you want to integrate once using technique "by parts" you have to divide your integral into two functions.Working on an example, f(x)=x sinxLet g(x)=x and h'(x)= sin x Th...
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Answered by Michał K. • Maths tutor
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