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Question

Let f(x) ={ax>cbxc} :a,b,cϵR
if f(x) is discontinuous at x = c, and have a jump at x = c then the value of jump is -
  1. undefined

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Solution


It is given that the function is discontinuous at x = c, the jump will be nothing but the difference (modulus) of limxcf(x)limxc+f(x)
= |b - a|

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