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OpenStudy (anonymous):
how to write number those are similar to n! ? Is there any method on this ? such as : (-1)(1)(3)(5)(7) . . . . . (2n - 3) thanks in advance !
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OpenStudy (kc_kennylau):
http://mathworld.wolfram.com/DoubleFactorial.html it's not just factorial :)
OpenStudy (kc_kennylau):
The answer to your question would be \(-(2n-3)!!\)
OpenStudy (anonymous):
Oh gawd. I do get the idea but I'm currently studying Calculus 2 (taylor series). Do I need this ?
OpenStudy (kc_kennylau):
don't think so, but this is actually not hard to comprehend :) (i'm in Grade 9)
OpenStudy (anonymous):
wow ... ok. Thank you !!
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OpenStudy (kc_kennylau):
no problem :)
OpenStudy (kc_kennylau):
fanned you :D
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