Perform the indicated operations and write the result in the form of a + bi
(3 - 2i)(4 + 3i)

Question

13-09-2017
Mathematics

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Perform the indicated operations and write the result in the form of a + bi
(3 - 2i)(4 + 3i)

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Аноним Аноним · Answer 1 · 2017-09-13T04:14:46+02:00

Аноним Аноним

13-09-2017

Remember:
i=√-1
i²=(√-1)(√-1)=-1

(3-2i)(4+3i)=
=(3*4)+(3*3i)+(-2i*4)+(-2i*3i)
=12+9i-8i-6i²
=12+(9i-8i)-(6*-1)
=12+i+6
=18+i

Answer: (3-2i)(4+.3i)=(18+i)

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Nathanilscott Nathanilscott · Answer 2 · 2021-09-07T18:31:55+02:00

Nathanilscott Nathanilscott

07-09-2021

Answer:i=√-1

i²=(√-1)(√-1)=-1

(3-2i)(4+3i)=

=(3*4)+(3*3i)+(-2i*4)+(-2i*3i)

=12+9i-8i-6i²

=12+(9i-8i)-(6*-1)

=12+i+6

=18+i

Answer: (3-2i)(4+.3i)=(18+i)

Step-by-step explanation:

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Perform the indicated operations and write the result in the form of a + bi (3 - 2i)(4 + 3i)

Respuesta :

Otras preguntas

Perform the indicated operations and write the result in the form of a + bi
(3 - 2i)(4 + 3i)