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Manan Miglani Grade: 12
        

The number of points at which the function f(x)=1/log|x| is discontinous is


a) 1


b)2


c)3


d)4

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear Manan


f(x)=1/log|x|


critical point for this function are  x=0,1,-1


function is not define at x=0 so it must be discontinous at x=0


check the dcontinuty at x=1


ltx→1+ 1/log|x|


  =  +∞


ltx→11/log|x|


  =  -∞


similerly at x=-1 function will be discontinous so total 3 point exits where function is discontinous


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Badiuddin

7 years ago
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