Since I suspect that both cases have a similar apoach I combine these two.

According to an exercise-exam of my university is aproximately equal to and aproximately equal to

Why?

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- Aug 11th 2009, 12:26 PMSebastian de Vriessquareroot (1 + ...) , log (1 + ...)
Since I suspect that both cases have a similar apoach I combine these two.

According to an exercise-exam of my university is aproximately equal to and aproximately equal to

Why? - Aug 11th 2009, 12:50 PMMatt Westwood
1. Expand using the binomial theorem and take the first non-trivial term.

2. Use a Taylor expansion, same thing.