Differentiate w.r.t. d
0.91
Evaluate
\frac{91d}{100}
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\frac{\mathrm{d}}{\mathrm{d}d}(0.91d)
Combine d and -0.09d to get 0.91d.
0.91d^{1-1}
The derivative of ax^{n} is nax^{n-1}.
0.91d^{0}
Subtract 1 from 1.
0.91\times 1
For any term t except 0, t^{0}=1.
0.91
For any term t, t\times 1=t and 1t=t.
0.91d
Combine d and -0.09d to get 0.91d.
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