Differentiate w.r.t. a
-\frac{1}{3} = -0.3333333333333333
Evaluate
-\frac{a}{3}
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\frac{\mathrm{d}}{\mathrm{d}a}(-\frac{1}{3}a)
Divide 2a by 6 to get \frac{1}{3}a.
-\frac{1}{3}a^{1-1}
The derivative of ax^{n} is nax^{n-1}.
-\frac{1}{3}a^{0}
Subtract 1 from 1.
-\frac{1}{3}
For any term t except 0, t^{0}=1.
-\frac{1}{3}a
Divide 2a by 6 to get \frac{1}{3}a.
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