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Show that f(x)={{:(1+x^2,if 0lt=xlt=1) ,...

Show that `f(x)=``{{:(1+x^2,if 0lt=xlt=1) ,(2-x, if x >1):} `is discontinuous at `x=1`

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given function is `f(x)=``{{:(1+x^2,if 0lt=xlt=1) ,(2-x, if x >1):}`,at `x=1`
at the point `x=1`
LHL at `x=1`,
`lim_(x->1^-)f(x)`
`=lim_(h->1^-)1+h^2`
`=2`
RHL at `x=1`,
`lim_(x->1^+)f(x)`
...
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