Differentiate w.r.t. b
-2
Evaluate
-2b
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\frac{\mathrm{d}}{\mathrm{d}b}(-2b)
Combine -b and -b to get -2b.
-2b^{1-1}
The derivative of ax^{n} is nax^{n-1}.
-2b^{0}
Subtract 1 from 1.
-2
For any term t except 0, t^{0}=1.
-2b
Combine -b and -b to get -2b.
Examples
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Limits
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