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MHT CET20226 Aug 2022Evening ShiftMathematicsLimitsActual

If _ x 1 x^2-a x+b (x-1) =5 , then (a+b) is equal to

Options

  1. A-3
  2. B-4
  3. C7
  4. D-7

Correct answer

D. -7

Step-by-step solution

Applying a=-3 Hospital's rule aligned & 2 1-a=5 & a=-3 aligned from (1) b=-4 a+b=-7

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