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ivanradoszyce

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2018
yes please and also where i can find more
Substitute into the binomial equation call call it 1. Substitute into another binomial equation call call it 2. Add the 2 equations. Noting when you add an even number + odd number = odd number. The 'odd' binomial terms cancel and the 'even' terms are doubled. Hope that is a starting point.

I am writing a full Latex solution so I'll post that soon.
 

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