Posted by Steve Simon on March 12, 2014, 5:56 pm, in reply to "Sample exam question 2"
Group together the +n and -n term. So you have
(e^{ikna} -1) + (e^{-ikna} - 1)
Yes?
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Posted by Steve Simon on March 12, 2014, 5:56 pm, in reply to "Sample exam question 2"
Group together the +n and -n term. So you have
(e^{ikna} -1) + (e^{-ikna} - 1)
Yes?
19
Message Thread
« Back to index