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How do I implicitly differentiate and why does it work? (Assuming understanding of differentiation)

Implicit differentiation can be used when you are asked to find dy/dx of a function that has not been written as y=f(x) e.g. y = x^2 - 1, and which cannot be rearranged as such. We can use the equation of a ...
SO
Answered by Sorcha O. • Maths tutor
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What caused the February revolution of 1917?

The February revolution of 1917 was caused by a combination of factors. It is important to recognise that there were both long-term and short-term causes that contributed to the downfall of Tsarist Russia. P...
OP
Answered by Olivia P. • History tutor
8837 Views

What is the main function of the Schwann cell?

Schwann cells are found wrapped along the axons of some of the neurones of the peripheral nervous system (PNS).They secrete a lipid-based substance known as myelin, forming the myelin sheath. The myelin shea...
IM
Answered by Isaac M. • Biology tutor
8971 Views

When people have liver failure they may get swollen legs due to oedema. Explain the processes behind this.

The liver is responsible for making proteins found in the blood which help to maintain it's "oncotic pressure", the 'pull' factor that holds water inside the blood vessels. These proteins cannot pa...
JI
Answered by Joy I. • Human Biology tutor
3427 Views

What is the difference between localisation and lateralisation in the brain?

Localisation of function in the brain is the theory that different areas of the brain control specific physical/behavioural functions in the body. The brain is divided into four lobes: the temporal lobe, occ...
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