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\frac{3}{1+j^{2}}\int y\mathrm{d}y
Whakatauwehetia te pūmau mā te whakamahi i te \int af\left(y\right)\mathrm{d}y=a\int f\left(y\right)\mathrm{d}y.
\frac{3}{1+j^{2}}\times \frac{y^{2}}{2}
Nā te mea \int y^{k}\mathrm{d}y=\frac{y^{k+1}}{k+1} mō te k\neq -1, me whakakapi \int y\mathrm{d}y ki te \frac{y^{2}}{2}.
\frac{3y^{2}}{2\left(1+j^{2}\right)}
Whakarūnātia.
\frac{3y^{2}}{2\left(1+j^{2}\right)}+С
Mēnā ko F\left(y\right) he pārōnaki kōaro o f\left(y\right), kāti ko te huinga o ngā pārōnaki kōaro katoa o f\left(y\right) ka whakaaturia e F\left(y\right)+C. Nō reira, me tāpiri te pūmau o te whakatōpūtanga C\in \mathrm{R} ki te otinga.