Question

$( {e}^{1 - x} + {x}^{ - 3} )$
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Answer 1

Ответ:

$(e {}^{1 - x} + x {}^{ - 3} ) = e {}^{1 - x} + \frac{1}{x {}^{3} } = \frac{x {}^{3}e {}^{1 - x} + 1 }{x {}^{3} }$