Differentiate w.r.t. a
2a
Evaluate
a^{2}-20
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\frac{\mathrm{d}}{\mathrm{d}a}(a^{2}-20)
Subtract 36 from 16 to get -20.
2a^{2-1}
The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The derivative of ax^{n} is nax^{n-1}.
2a^{1}
Subtract 1 from 2.
2a
For any term t, t^{1}=t.
a^{2}-20
Subtract 36 from 16 to get -20.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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