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Aromātai
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Kimi Pārōnaki e ai ki P
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Tohaina

P^{2}eP
Whakareatia te P ki te P, ka P^{2}.
P^{3}e
Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te 2 me te 1 kia riro ai te 3.
\frac{\mathrm{d}}{\mathrm{d}P}(P^{2}eP)
Whakareatia te P ki te P, ka P^{2}.
\frac{\mathrm{d}}{\mathrm{d}P}(P^{3}e)
Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te 2 me te 1 kia riro ai te 3.
3eP^{3-1}
Ko te pārōnaki o ax^{n} ko nax^{n-1}.
3eP^{2}
Tango 1 mai i 3.