$x = 0$ और $dx = 0.2$ के लिए $f(x) = \log_{e}(1 + e^{10x}) - \tan^{-1}(e^{5x})$ का अवकलज (differential) क्या है?

  • A
    $0.5$
  • B
    $0.3$
  • C
    $-0.2$
  • D
    $-0.5$

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