Evaluate
\frac{\sqrt{15}x}{15}
Differentiate w.r.t. x
\frac{\sqrt{15}}{15} = 0.25819888974716115
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\frac{x\sqrt{15}}{\left(\sqrt{15}\right)^{2}}
Rationalize the denominator of \frac{x}{\sqrt{15}} by multiplying numerator and denominator by \sqrt{15}.
\frac{x\sqrt{15}}{15}
The square of \sqrt{15} is 15.
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