Let and then find

I know it's zero, but don't know exactly how to prove it.

Thanks for the help!

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- Mar 26th 2011, 06:41 PMConnectedFinding inf
Let and then find

I know it's zero, but don't know exactly how to prove it.

Thanks for the help! - Mar 26th 2011, 07:47 PMtonio
- Mar 26th 2011, 08:04 PMConnected
- Mar 26th 2011, 08:08 PMtonio