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Explain the chain rule of differentiation

The chain rule can be used to find more complex derivatives.For example, in the case of: y = (5x + 2) 5 To find the derivative in the ordinary fashion, one would need to expand the brackets to:y=3125x 5 +625...
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Answered by Toby H. • Maths tutor
4649 Views

'Describe how journalists may approach the issue of pupil behaviour in British schools differently from sociologists' [4 marks]

To answer this question, we identify the action ( to describe ), the focus ( journalist versus sociologist approach on pupil behaviour ) and the argument ( that sociologists are systematic whilst journalists...
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Answered by Eva S. • Sociology tutor
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Explain why there is a surplus of solar energy in tropical latitudes and a deficit towards the poles (4)

1. Curvature of the earth + Angle of Incidence - The suns angle in the sky decreases towards the poles due to the curvature of the earth , which spreads the heat energy over a larger surface area- The suns r...
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Answered by Katy W. • Geography tutor
7156 Views

How important was the use of fear in the achievement of Stalin’s economic policies?

During his time in power, Stalin reinforced a ‘cult of personality’ throughout Soviet Russia in order to push through his most radical economic reforms. Indeed, the cult was inaugurated during Stalin’s 50th ...
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Answered by Amber G. • History tutor
5024 Views

Explain using a diagram the price/output of a firm competing in a perfectly competitive market during the long run. Is this equilibrium point beneficial?

A firm competing in a perfectly competitive market is considered a price taker and is unable to set their own prices due to characteristics such as selling homogeneous goods with many buyers and sellers , th...
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Answered by Joe B. • Economics tutor
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