Bananajane
Bananajane Bananajane
  • 15-08-2018
  • Mathematics
contestada

If f(x)=2/(x-3) and g(x)=6/x, find (g·f)(x)

If fx2x3 and gx6x find gfx class=

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konrad509
konrad509 konrad509
  • 15-08-2018

[tex] (g\circ f)(x)=\dfrac{6}{\dfrac{2}{x-3}}=6\cdot\dfrac{x-3}{2}=3x-9\\\\\\
(g\cdot f)(x)=\dfrac{6}{x}\cdot \dfrac{2}{x-3}=\dfrac{12}{x^2-3x} [/tex]

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