betelgeuse Posted August 31, 2006 Author Posted August 31, 2006 answer is "9" but ı dont know how it is..
ecoli Posted September 1, 2006 Posted September 1, 2006 what's the dot between the a and b in the last equation supposed to be? it's that multiplication?
insane_alien Posted September 1, 2006 Posted September 1, 2006 dot product since it would appear to be scalar values it works out to be multiplication. i don't even know what he's supposed to be working out. if he wants help he should tell us what to look ffor.
the tree Posted September 4, 2006 Posted September 4, 2006 Okay so we know that: a=3b and ba=ab, and you want a proof that ab=9. Is that right?
raptor Posted September 5, 2006 Posted September 5, 2006 I found ab to be something like: 9.721577574 with a = 5.974795378 and b = 1.627097994
woelen Posted September 5, 2006 Posted September 5, 2006 I have the imrpression that the OP has erroneously described the problem. I have been looking into this problem and as it is formulated, it only can be tackled by means of iterative numerical methods for root finding and then an answer, like raptor has given pops up, but I suspect this is not the answer the OP is expecting.
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