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Let f(x)={(x-4)/(|x-4|a+b)+a ,x<0 (x-4)/...

Let `f(x)={(x-4)/(|x-4|a+b)+a ,x<0 (x-4)/(|x-4|)+b ,x >0` Then, `f(x)` is continuous at `x=4` when (a)`a=0,b=0` (b) `a=1,b=1` (c)`a=-1,b=1` (d) `a=1,b=-1`

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RD SHARMA ENGLISH-CONTINUITY-All Questions
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