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Black Book Advanced Problems in MathematicsMathematicsLimits

Paragraph for Question Nos. 7 to 9 Consider the limit _ x 0 1 x^3 ( 1 1+x - (1+ax) (1+bx) ) exists, finite and has the value equal to l (where a, b are real constants), then : | b l | =

Options

  1. A(a) 38
  2. B(b) 16
  3. C(c) 72
  4. D(d) 24

Correct answer

D. (d) 24

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