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# Quick Question - Solving this Equation watch

1. That's meant to be e^(-x) but it didn't quite work.

Anyway, this may be incredibly simple but could someone give me an idea of how to solve this equation? I'm not exactly sure what to use.

That's meant to be e^(-x) but it didn't quite work.

Anyway, this may be incredibly simple but could someone give me an idea of how to solve this equation? I'm not exactly sure what to use.
3. Is ever equal to zero?

btw to get the latex to work you have to wrap everything you want superscripted in {} tags.
4. (Original post by steve2005)
Did you get that just by looking at it? I wouldn't mind to know if there's a method of some sort.
5. (Original post by around)
Is ever equal to zero?

btw to get the latex to work you have to wrap everything you want superscripted in {} tags.
Cheers. For both points. Making sense now.
Did you get that just by looking at it? I wouldn't mind to know if there's a method of some sort.
You have two terms and their product is zero. the term can't be zero , which means the solution is found be equating the other term to zero.

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Updated: July 29, 2009
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