Differentiate w.r.t. a
70a
Evaluate
35a^{2}
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\frac{\mathrm{d}}{\mathrm{d}a}(35a^{2})
Multiply 5 and 7 to get 35.
2\times 35a^{2-1}
The derivative of ax^{n} is nax^{n-1}.
70a^{2-1}
Multiply 2 times 35.
70a^{1}
Subtract 1 from 2.
70a
For any term t, t^{1}=t.
35a^{2}
Multiply 5 and 7 to get 35.
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