Question

2. f(x) = x/1+xthen f'(x) = ?

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Answer 1

Answer:

$f(x) = \frac{x}{1 + x } \\ \\ \frac{d(f(x))}{dx} = \frac{(1 + x)(1) - x}{ {(1 + x)}^{2} } \\ \\ = \frac{1}{ {(1 + x)}^{2} }$

Answer 2

Answer:

here your answer..........