Whakaoti mō f
f=-\frac{1}{erx}
x\neq 0\text{ and }r\neq 0
Whakaoti mō r
r=-\frac{1}{efx}
x\neq 0\text{ and }f\neq 0
Tohaina
Kua tāruatia ki te papatopenga
-efrx=1
Whakaraupapatia anō ngā kīanga tau.
\left(-erx\right)f=1
He hanga arowhānui tō te whārite.
\frac{\left(-erx\right)f}{-erx}=\frac{1}{-erx}
Whakawehea ngā taha e rua ki te -erx.
f=\frac{1}{-erx}
Mā te whakawehe ki te -erx ka wetekia te whakareanga ki te -erx.
f=-\frac{1}{erx}
Whakawehe 1 ki te -erx.
-efrx=1
Whakaraupapatia anō ngā kīanga tau.
\left(-efx\right)r=1
He hanga arowhānui tō te whārite.
\frac{\left(-efx\right)r}{-efx}=\frac{1}{-efx}
Whakawehea ngā taha e rua ki te -efx.
r=\frac{1}{-efx}
Mā te whakawehe ki te -efx ka wetekia te whakareanga ki te -efx.
r=-\frac{1}{efx}
Whakawehe 1 ki te -efx.
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