MCQ
फलन tan(e-x) का अवकलज है-
  • A
    $\sec ^2\left(e^{-x}\right)$
  • B
    $- e ^{-x} \sec ^2\left( e ^{-x}\right)$
  • C
    $e ^{-x} \sec ^2\left( e ^{-x}\right)$
  • D
    $-\sec ^2\left( e ^{-x}\right)$

Answer

self

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