Did i compute wrongly ? I find it a bit weird. I can't proceed further on combining the bracket terms.

Thanks.

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- Oct 22nd 2009, 07:36 PMxcludedIs is possible to use Arithmetic progression in this case?

Did i compute wrongly ? I find it a bit weird. I can't proceed further on combining the bracket terms.

Thanks. - Oct 22nd 2009, 10:26 PMramiee2010