Evaluate
\frac{\sqrt{7}}{7x}
Differentiate w.r.t. x
-\frac{\sqrt{7}}{7x^{2}}
Graph
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\frac{1}{\sqrt{9-2}x}
Subtract 1 from 2 to get 1.
\frac{1}{\sqrt{7}x}
Subtract 2 from 9 to get 7.
\frac{\sqrt{7}}{\left(\sqrt{7}\right)^{2}x}
Rationalize the denominator of \frac{1}{\sqrt{7}x} by multiplying numerator and denominator by \sqrt{7}.
\frac{\sqrt{7}}{7x}
The square of \sqrt{7} is 7.
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