Differentiate w.r.t. m
2m
Evaluate
m^{2}+400
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\frac{\mathrm{d}}{\mathrm{d}m}(m^{2}+400)
Calculate 20 to the power of 2 and get 400.
2m^{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}.
2m^{1}
Subtract 1 from 2.
2m
For any term t, t^{1}=t.
m^{2}+400
Calculate 20 to the power of 2 and get 400.
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