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Kimi Pārōnaki e ai ki x
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Tohaina

2x+1-2
Pahekotia te x me x, ka 2x.
2x-1
Tangohia te 2 i te 1, ka -1.
\frac{\mathrm{d}}{\mathrm{d}x}(2x+1-2)
Pahekotia te x me x, ka 2x.
\frac{\mathrm{d}}{\mathrm{d}x}(2x-1)
Tangohia te 2 i te 1, ka -1.
2x^{1-1}
Ko te pārōnaki o tētahi pūrau ko te tapeke o ngā pārōnaki o ōna kīanga tau. Ko te pārōnaki o tētahi kīanga tau pūmau ko 0. Ko te pārōnaki o te ax^{n} ko te nax^{n-1}.
2x^{0}
Tango 1 mai i 1.
2\times 1
Mō tētahi kupu t mahue te 0, t^{0}=1.
2
Mō tētahi kupu t, t\times 1=t me 1t=t.