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if f(x) {{:(sgn(x-2)xx[log(e)x],1lexle3)...

`if f(x) {{:(sgn(x-2)xx[log_(e)x],1lexle3),({x^(2)},3ltxle3.5):}`
where [.] dentes inteatest function ans {.} repesents fractional part function find the points where the continuity of f(x) shoukd be checked , Hence find he points of discontinuity .

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