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Black Book Advanced Problems in MathematicsMathematicsFunctions

Let f : R R is defined by f(x) = cases (x + 1)^3 & ; x 1 x + (b^2 - 3b + 10) & ; x > 1 cases . If f(x) is invertible, then the set of all values of ' b ' is :

Options

  1. A1, 2
  2. B2, 5
  3. CNone of these

Correct answer

A. 1, 2

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