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JEE Main & Advanced Mathematics Functions Question Bank Numerical Value Type Questions - Relations and Functions-I

  • question_answer
    If \[{{e}^{f(x)}}=\frac{10+x}{10-x},\] \[x\in (-10,10)\] and \[f(x)=kf\left( \frac{200x}{100+{{x}^{2}}} \right),\] then k =

    Answer:

    0.5


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