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Next exams: Wednesday 2nd May, Thursday 3rd May, Wednesday 9th May, Thursday 17th May, Friday 18th May

## Summary/Background

In fact, use of logarithms is not necessary to solve the above equations. Can you see why?

You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

## Glossary

### solve

To find the answer or solution to a problem.

### union

The union of two sets A and B is the set containing all the elements of A and B.

Full Glossary List