Differentiate w.r.t. a
-6a^{2}
Evaluate
-2a^{3}
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\frac{\mathrm{d}}{\mathrm{d}a}(-2a^{3})
Combine 2a^{3} and -4a^{3} to get -2a^{3}.
3\left(-2\right)a^{3-1}
The derivative of ax^{n} is nax^{n-1}.
-6a^{3-1}
Multiply 3 times -2.
-6a^{2}
Subtract 1 from 3.
-2a^{3}
Combine 2a^{3} and -4a^{3} to get -2a^{3}.
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