Differentiate y=(3+sin(2x))/(2+cos(2x))
dy/dx = (4cos(2x) + 6sin(2x) + 2)/(2+cos(2x))2
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How would you differentiate ln(x^2+3x+5)?
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I've been told that I can't, in general, differentiate functions involving absolute values (e.g. f(x) = |x|). Why is that?