( - 6 a ^ { 4 } ) ( - 30
Differentiate w.r.t. a
720a^{3}
Evaluate
180a^{4}
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\frac{\mathrm{d}}{\mathrm{d}a}(180a^{4})
Multiply -6 and -30 to get 180.
4\times 180a^{4-1}
The derivative of ax^{n} is nax^{n-1}.
720a^{4-1}
Multiply 4 times 180.
720a^{3}
Subtract 1 from 4.
180a^{4}
Multiply -6 and -30 to get 180.
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