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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 4

  • question_answer
    If a twice differentiable function satisfies a relation \[f({{x}^{2}}y)={{x}^{2}}f(y)+yf({{x}^{2}})\forall x,y>0\] and \[f'(1)=1,\] then the value of \[f''(1/7)\] is ________.

    Answer:

    7


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