Differentiate w.r.t. b
-6
Evaluate
-6b
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\frac{\mathrm{d}}{\mathrm{d}b}(-6b)
Combine -b and -5b to get -6b.
-6b^{1-1}
The derivative of ax^{n} is nax^{n-1}.
-6b^{0}
Subtract 1 from 1.
-6
For any term t except 0, t^{0}=1.
-6b
Combine -b and -5b to get -6b.
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