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The value of c in Lagrange’s theorem for the function f(x) = log sin x in the interval open square brackets fraction numerator pi over denominator 6 end fraction comma fraction numerator 5 pi over denominator 6 end fraction close square bracketsis -

  1. fraction numerator pi over denominator 4 end fraction    
  2. fraction numerator pi over denominator 2 end fraction    
  3. fraction numerator 2 pi over denominator 3 end fraction    
  4. None    

The correct answer is: fraction numerator pi over denominator 2 end fraction

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