The general definition of logarithms is given and the general principle of solving equations of from a^x=b is introduced. Two examples to apply this method are then given.

Solving equations using logarithms (MathsCasts)

These MathsCasts were produced by the mathematics support centres at Swinburne University, the University of Limerick and Loughborough University. They were part of a collaborative research project to develop high quality resources and investigate the effectiveness of MathsCasts to support mathematics learning. The full set of resources are available at http://commons.swin.edu.au/s/mathscasts MathsCasts are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License

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Solving equations using logarithms (MathsCasts)

Solving equations using logarithms (MathsCasts)