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OpenStudy (anonymous):
Find y' when y=e^sinhx cosh (3x)
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OpenStudy (nikita2):
sinhx = (e^x - e^-x)/2. (sinhx)' = (e^x + e^-x)/2 = cosh(x). (cosh(x))' = (e^x - e^-x)/2 = sinhx. So y' = e^sinhx cosh (3x)*( coshx*cosh3x + sinhx*3sinh3x ).
OpenStudy (anonymous):
wahooooooooooooooooooooo, thanks :)
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