Differentiate w.r.t. C_3
47
Evaluate
47C_{3}
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47C_{3}^{1-1}
The derivative of ax^{n} is nax^{n-1}.
47C_{3}^{0}
Subtract 1 from 1.
47\times 1
For any term t except 0, t^{0}=1.
47
For any term t, t\times 1=t and 1t=t.
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