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Editor
 Sep 18, 2022
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$\frac{\text{d}}{\text{d}x}(\frac{a+x}{a-x})$=
Difficulty: Easy
A: 
$\frac{-2a}{(a-x)^{2}}$
B: 
$\frac{2a}{(a-x)^{2}}$
C: 
$\frac{a}{(a+x)^{2}}$
D: 
$\frac{1}{(a+x)^{2}}$
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NETNUST Entry TestMathematicsDifferentiation