Differentiate w.r.t. a
10
Evaluate
10a
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\frac{\mathrm{d}}{\mathrm{d}a}(10a)
Combine 8a and 2a to get 10a.
10a^{1-1}
The derivative of ax^{n} is nax^{n-1}.
10a^{0}
Subtract 1 from 1.
10\times 1
For any term t except 0, t^{0}=1.
10
For any term t, t\times 1=t and 1t=t.
10a
Combine 8a and 2a to get 10a.
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