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Q.

Let a function  f be defined by  f(x)=x|x|x  for x0  and  f(0)=2, then  f is

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a

continuous no where

b

continuous every where

c

continuous for all  x  except  x=1  

d

continuous for all  x  except  x=0

answer is D.

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Detailed Solution

  limx0¯f(x)=2

limx0+f(x)=0

f(x) is not continuous at x=0

 .  Hence 'f'   is continuous every where except at  x=0

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