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Given the function f(x)=1/(x+2). Find th...

Given the function `f(x)=1/(x+2)`. Find the points of discontinuity of the function `f(f(x))`

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`f(x) = 1/(x+2) `
`x=-2`
`f(f(x)) = 1/((1/(x+2)) + 2)`
`= (x+2)/(2x+5)`
`2x+5= 0`
`x=-5/2`
Answer
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