Input abs(x) Alternate form assuming x>0 x Alternate form assuming x is real sqrt(x^2) Root x = 0 Derivative d/dx(abs(x)) = x/abs(x) (assuming a function from reals to reals) Indefinite integral assuming all variables are real integral abs(x) dx = 1/2 x^2 sgn(x) + constant Global minimum min{abs(x)} = 0 at x = 0

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