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BITSAT2013MathematicsLimitsActual

If f(x)= array cl x²+3 x-10 x²+2 x-15 & , when x -5 a , & when x=-5 array . is continuous at x=-5 , then the value of 'a' will be

Options

  1. A3 / 2
  2. B7 / 8
  3. C8 / 7
  4. D2 / 3

Correct answer

B. 7 / 8

Step-by-step solution

_ x -5 f(x)= (x-2)(x+5) (x+5)(x-3) = -7 -8 = 7 8

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