Show that u(x, t) = sech 2 (x t) satisfies the KortewegdeVries equation (which arises in
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Show that u(x, t) = sech2(x − t) satisfies the Korteweg–deVries equation (which arises in the study of water waves):
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4u+ Uxxx +12uux = 0
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Hence In Exercise 68 we found the following derivatives ux 2 sechx t t...View the full answer
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