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AP EAMCET20225 Jul 2022Evening ShiftMathematicsLimitsActual

_ n x 2 [ (2+ 2 )^n+(2- 2 )^n (2+ 2 )-(2- 2 )^n ]=

Options

  1. A2- 2
  2. B2- 2
  3. C1
  4. D2

Correct answer

D. 2

Step-by-step solution

For n aligned & 2- 2 < 1 & _ n (2- 2 )^n 0 aligned aligned & = _ n 2 [ (2+ 2 )^n+0 (2+ 2 )^n-0 ] & = 2 aligned

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