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AP EAMCET202318 May 2023Evening ShiftMathematicsLimitsActual

_ x 9 (2.5)^ 81-x^2 -(0.4)^ x+9 x+9 =

Options

  1. A18 (2.5)+ (0.4)
  2. B(2.5)- (0.4)
  3. C18( (2.5)+ (0.4))
  4. D-19 (0.4)

Correct answer

D. -19 (0.4)

Step-by-step solution

aligned & _ 2 -9 (2.5)^ 81-x^2 -(0.4)^ x+9 x+9 = & _ x -9 (2.5)⁸¹(-2 x)(2.5)^ -x^2 (2.5)-(0.4)^ (x+9) (0.4) 1 = & 1 .(18) (2.5)-1 . (0.4)=-19 (0.4) aligned

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