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Asked by andieje in Math & Science
Hello
I'm new to integration and I believe so far that the result of integrating something gives you a function which tells you the area under a curve. Perhaps it gets more complicated than that later on but that is the context under which I've learnt integration so far.
In a recent question i posted i was able to get 2 different answers to the same question depending on how i factorised the original function to be integrated. The answers were
1/2 ln |1-x| and 1/2 ln |2-2x|
It was pointed out that ln |2-2x| = ln |1-x| + ln 2, and ln 2 is a constant and independent of x. I understand that ln2 is independent of x. Does that mean you can 'remove' it from the answer? If the answer gives you the area under a curve you still need to ln2 in the answer to get the correct area don't you?
Many thanks
20091111-EE-VQP-92 - Hierarchy / EE_QW_3_20080625