Differentiate w.r.t. d
\frac{5}{4} = 1\frac{1}{4} = 1.25
Evaluate
\frac{5d}{4}
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\frac{5}{4}d^{1-1}
The derivative of ax^{n} is nax^{n-1}.
\frac{5}{4}d^{0}
Subtract 1 from 1.
\frac{5}{4}\times 1
For any term t except 0, t^{0}=1.
\frac{5}{4}
For any term t, t\times 1=t and 1t=t.
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Limits
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