Differentiate w.r.t. b
7
Evaluate
7b
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\frac{\mathrm{d}}{\mathrm{d}b}(7b)
Combine 3b and 4b to get 7b.
7b^{1-1}
The derivative of ax^{n} is nax^{n-1}.
7b^{0}
Subtract 1 from 1.
7\times 1
For any term t except 0, t^{0}=1.
7
For any term t, t\times 1=t and 1t=t.
7b
Combine 3b and 4b to get 7b.
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