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The first step is to multiply out the brackets so the function is in a form that can be integrated. X x X² = X³ then X x 2 is simply 2X. So we are left with X³ + 2X. Both ...

First we need to know how many days are still remaining before the end of January. In this case it would be 10 since 31-21=10. We know that 8th of February  is the 8th day of the month, so in total betwee...

You need to have done some research on different topics (they will be in your text book) relating to a French-speaking country. In your answer you must include some facts that you have learned, whilst kee...

1. Draw sketch of line 2. Find gradient using m=(y₂ - y₁)/(x₂ - x₁)= 5--4/2--1=9-3=3 3. Choose one of the points and call it (a,b). I'll pick (2,5) because t...

When the neurone is stimulated, the Na+ channels open to allow influx of sodium ions down its electrochemical gradient. This makes the inside of the cell less negative. When threshold voltage (-55m...