Evaluate
\frac{2x}{3}
Differentiate w.r.t. x
\frac{2}{3} = 0.6666666666666666
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2\times \frac{1}{3}x^{2-1}
The derivative of ax^{n} is nax^{n-1}.
\frac{2}{3}x^{2-1}
Multiply 2 times \frac{1}{3}.
\frac{2}{3}x^{1}
Subtract 1 from 2.
\frac{2}{3}x
For any term t, t^{1}=t.
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