Posted by **charles xavier** on Friday, December 7, 2012 at 7:01pm.

find the differential of dy of the given function.

y=3x-4sec(2x-1)

The answer i got was dy=(3-8sec(2x-1)tan(2x-1))dx

I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :)

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