Whakaoti i te (2+sqrt{-9})(2-sqrt{-9})

$$(2+ \sqrt{ -9 } )(2- \sqrt{ -9 } )$$

Aromātai (complex solution)

$$13$$

Ngā Upane Otinga

Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

$$2^{2}-\left(\sqrt{-9}\right)^{2}$$

Tātaihia te 2 mā te pū o 2, kia riro ko 4.

$$4-\left(\sqrt{-9}\right)^{2}$$

Ko te pūrua o \sqrt{-9} ko -9.

$$4-\left(-9\right)$$

Ko te tauaro o -9 ko 9.

$$4+9$$

Tāpirihia te 4 ki te 9, ka 13.

$$13$$

Wāhi Tūturu (complex solution)

$$13$$

Ngā Upane Otinga

Whakaarohia te \left(2+\sqrt{-9}\right)\left(2-\sqrt{-9}\right). Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

$$Re(2^{2}-\left(\sqrt{-9}\right)^{2})$$

Tātaihia te 2 mā te pū o 2, kia riro ko 4.

$$Re(4-\left(\sqrt{-9}\right)^{2})$$

Ko te pūrua o \sqrt{-9} ko -9.

$$Re(4-\left(-9\right))$$

Ko te tauaro o -9 ko 9.

$$Re(4+9)$$

Tāpirihia te 4 ki te 9, ka 13.

$$Re(13)$$

Ko te wāhi tūturu o 13 ko 13.

$$13$$

Aromātai

$$\text{Indeterminate}$$

Ngā Upane Otinga

Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

$$2^{2}-\left(\sqrt{-9}\right)^{2}$$

Tātaihia te 2 mā te pū o 2, kia riro ko 4.

$$4-\left(\sqrt{-9}\right)^{2}$$

Tātaihia te \sqrt{-9} mā te pū o 2, kia riro ko -9.

$$4-\left(-9\right)$$

Ko te tauaro o -9 ko 9.

$$4+9$$

Tāpirihia te 4 ki te 9, ka 13.

$$13$$

Tauwehe

$$\text{Indeterminate}$$