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Let f(x) =1/x, g(x) = 1/(9x^(2)-1) and h...

Let `f(x) =1/x, g(x) = 1/(9x^(2)-1)` and `h(x) = (11x)/(x+3)` be three functions.
Let `F(x) =(h.g.f)(x)`
Suppose domain of F is `R -{x_(1),x_(2),…….,x_(n)}`, where `x_(1),x_(2)`,……..`x_(n)` are n distinct real numbers. Then n =…………….

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