Hyperbolic Integration
Not really about the question itself, but wondering why there was a plus or minus in the markscheme.
The question and markscheme.
Original post by superharrydude09
The question and markscheme.
Not 100% sure, but the sub
x = -cosh(u)
should work through as well, though they seem to have missed out a +/- on the cosh(2u) half way down if that was the case.
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