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Maths-

f colon R not stretchy rightwards arrow R text  is given by  end text f left parenthesis x right parenthesis equals fraction numerator a to the power of x over denominator a to the power of x plus square root of a end fraction straight for all x element of R comma text  then  end text f open parentheses 1 over 1997 close parentheses plus f open parentheses 2 over 1997 close parentheses plus midline horizontal ellipsis plus f open parentheses 1995 over 1997 close parentheses plus f open parentheses 1996 over 1997 close parentheses equals

Maths-General

  1. 997
  2. 998
  3. 1997
  4. 1998

    Answer:The correct answer is: 998

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