jacobever7551 jacobever7551
  • 24-05-2023
  • Mathematics
contestada

(a) show that the function f: R -> R, f(x) = arctan(x)
vanishes only at x = 0;
(b)show that the function f: R -> R, f(x) = x^3 - 6x - 1
vanishes only at one point.

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