Editor
If $y=x-\frac{1}{\sqrt{x}}$ then dy/dx equals:
Difficulty: Easy
A: 
$1+\frac{3}{2}x^{1}{2}$
B: 
$1+\frac{1}{x^{\frac{3}{2}}}$
C: 
$\frac{3}{2}x^{\frac{1}{2}}-1$
D: 
None
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