Search over 10,000 free study notes

Firstly, I would recommend the student looks at commonly used idioms, as they often pop up in exam translations. They can also be helpful when trying to target the top grades in the speaking exam to show ...

The growth of the tourism industry means that a country's GDP grows, (the overall market value of country's services and goods) and therefore decreases the gap between the developed countries and the LIC....

(2n+3)²-(2n+1)²=(4n²+12n+9)-(4n²+4n+1)=8n+8= 8(n+1)Hence a multiple of 8

1. Phenol has a lone pair of electrons on the O group which can be delocalised into the benzene Pi system2) This delocalisation increases the electron density in the pi system compared to benzene3) Thi...

2n+1 will always be an odd number (e.g. if n is equal to 3 the answer would be 7, an odd number) So, we square 2n+1 and write this as (2n+1)² 2n +12n 4n...