Evaluate
\frac{38\sqrt{3}y}{21}
Differentiate w.r.t. y
\frac{38 \sqrt{3}}{21} = 3.1341871756008253
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\frac{38y}{7\sqrt{3}}
Cancel out 2 in both numerator and denominator.
\frac{38y\sqrt{3}}{7\left(\sqrt{3}\right)^{2}}
Rationalize the denominator of \frac{38y}{7\sqrt{3}} by multiplying numerator and denominator by \sqrt{3}.
\frac{38y\sqrt{3}}{7\times 3}
The square of \sqrt{3} is 3.
\frac{38y\sqrt{3}}{21}
Multiply 7 and 3 to get 21.
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