Differentiate w.r.t. a
-\frac{5a}{17}
Evaluate
-\frac{5a^{2}}{34}
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2\left(-\frac{5}{34}\right)a^{2-1}
The derivative of ax^{n} is nax^{n-1}.
-\frac{5}{17}a^{2-1}
Multiply 2 times -\frac{5}{34}.
-\frac{5}{17}a^{1}
Subtract 1 from 2.
-\frac{5}{17}a
For any term t, t^{1}=t.
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