Last edited by Mhmh96; Jul 14th 2012 at 02:49 PM.
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Did you try starting off by adding those 2 equations together?
Adding them and multiplying them . But what do we have to do next ?
Have you tried just calculating $\displaystyle a_1$, $\displaystyle a_2$, $\displaystyle a_3$, ...?
How? you mean to set n=2011
I mean exactly what I said! Calculate as many of $\displaystyle a_1$, $\displaystyle a_2$, $\displaystyle a_3$,... as required until it dawns on you!
I fear that this is completely not the right way to do it but thank you.
Have no fear Halls is here !
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