studiot Posted June 12, 2013 Posted June 12, 2013 (edited) Can you see the 'trivial solution' to your first question? I can immediately see one other solution. I cannot understand your second question, what do you mean? Edited June 12, 2013 by studiot
daniton Posted June 12, 2013 Posted June 12, 2013 It's seems like a homework question. Why don't you post it in homework help thread.
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