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Whats the inverse of y = 2x+1/x-1 ?

To find the inverse we're wanting to make x the subject. First start by multiplying both sides by (x-1), this gives us y(x-1) = 2x+1. Expand the brackets giving yx - y = 2x+1. Gather all the x components ont...
AS
Answered by Amelia S. • Maths tutor
19860 Views

How do I improve my essay writing skills?

We'll use a variety of exercises to improve your essay techniques. As well as looking at examples of well written essays, we'll look at your own work to see if you can spot your own areas of weakness to work...
IW
Answered by Isabelle W. • English tutor
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Explain why the Composition of the Plagioclase Feldspar may vary within an Intrusion.

Ca plagioclase forms early meaning that it settles down through the magma body and forms in the lower part of the intrusion and solidifies. Na rich plagioclase forms later so is only present in the middle an...
AG
Answered by Arthur G. • Geology tutor
4409 Views

The Alternating Current Flowing through the Primary Coil of the Transformer Creates an Alternating Current in the Secondary coil. Explain how!

The alternating current creates an alternating magnetic field across the transformer. A magnetic field develops in the iron core of the transformer. This causes a potential difference to be induced across th...
AG
Answered by Arthur G. • Physics tutor
19230 Views

In terms of Electrostatic Forces, Suggest why the ‘Electron Affinity’ of Fluorine has a Negative value.

Electron affinity is the energy released when 1 mole of gaseous atoms each acquire an electron to form 1 mole of gaseous 1- ions. Fluorine has a negative value as energy is released when the electron is gain...
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Answered by Arthur G. • Chemistry tutor
29876 Views