Editor
Editor
 Sep 18, 2022
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The derivative of $\sqrt{x}$ at x=a is:
Difficulty: Easy
A: 
1/2a
B: 
$\frac{2}{\sqrt{a}}$
C: 
$2\sqrt{a}$
D: 
$\frac{2}{2\sqrt{a}}$
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NETNUST Entry TestMathematicsDifferentiation