Posted by charles xavier on Friday, December 7, 2012 at 7:01pm.
find the differential of dy of the given function.
y=3x4sec(2x1)
The answer i got was dy=(38sec(2x1)tan(2x1))dx
I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :)

math  Mac, Friday, December 7, 2012 at 8:16pm
Looks fine to me
d/dx sec x = (sec x tan x)(der of x)