Differentiate w.r.t. A_8
2A_{8}
Evaluate
A_{8}^{2}
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2A_{8}^{2-1}
The derivative of ax^{n} is nax^{n-1}.
2A_{8}^{1}
Subtract 1 from 2.
2A_{8}
For any term t, t^{1}=t.
Examples
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