I am making a stupid error somewhere and its bugging me...help me find it please

I am doing a limit and I must expand this using power series and then cancel terms for

So

Where am I going wrong?

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- May 12th 2008, 04:02 PMMathstud28Find my error
I am making a stupid error somewhere and its bugging me...help me find it please

I am doing a limit and I must expand this using power series and then cancel terms for

So

Where am I going wrong? - May 12th 2008, 04:07 PMMoo