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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 : a + b =

Options

  1. A(a) 3 4
  2. B(b) 1 2
  3. C(c) 1
  4. D(d) 0

Correct answer

C. (c) 1

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