Tīpoka ki ngā ihirangi matua
Kimi Pārōnaki e ai ki b
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Aromātai
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Tohaina

\frac{\mathrm{d}}{\mathrm{d}b}(-2b)
Pahekotia te -b me -b, ka -2b.
-2b^{1-1}
Ko te pārōnaki o ax^{n} ko nax^{n-1}.
-2b^{0}
Tango 1 mai i 1.
-2
Mō tētahi kupu t mahue te 0, t^{0}=1.
-2b
Pahekotia te -b me -b, ka -2b.