ISRO Electrical Engineering (EE) 2019 - Question 49

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Equation of a line normal to f(x) = (x + 4)^(1/2) + 1 at Q(0, 3) is

  • A. y = 3 - 4x
  • B. y = 3 + 4x
  • C. 4y = 12 - x
  • D. 4y = 12 + x

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