3b apr 2009 answer
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Hello Amy. Wolframalpha says it's π2. If you want to post your steps we can see where you went wrong. Your answer is not far off, so probably you just overlooked a minor thing?
Hello Amy. Wolframalpha says it's π2. If you want to post your steps we can see where you went wrong. Your answer is not far off, so probably you just overlooked a minor thing?