Differentiate w.r.t. a
441
Evaluate
441a
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\frac{\mathrm{d}}{\mathrm{d}a}(441a)
Multiply 21 and 21 to get 441.
441a^{1-1}
The derivative of ax^{n} is nax^{n-1}.
441a^{0}
Subtract 1 from 1.
441\times 1
For any term t except 0, t^{0}=1.
441
For any term t, t\times 1=t and 1t=t.
441a
Multiply 21 and 21 to get 441.
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