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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Let f(x) = cases ax + 1 & if x 1 cases . If f(x) is continuous at x = 1 then (a - b) is equal to :

Options

  1. A0
  2. B1
  3. C2
  4. D4

Correct answer

A. 0

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