jtobin2003
jtobin2003 jtobin2003
  • 26-02-2019
  • Mathematics
contestada

Simplify (8 + 7i) + (2 – i)
A) 10 + 6i
B) 16
C) 4
D) 10 + 8i

Respuesta :

mattksingh
mattksingh mattksingh
  • 26-02-2019

10 + 6 i

...................

Answer Link
carlosego
carlosego carlosego
  • 26-02-2019

For this case, we must add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed

So:

[tex](8 + 7i) + (2 - i) =\\8 + 7i + 2-i =\\8 + 2 + 7i-i=\\10 + 6i[/tex]

Answer:

[tex]10 + 6i[/tex]

Option A

Answer Link

Otras preguntas

The area of the base of a prism is 21 cm2. The perimeter of the base is 20 cm. The height of the prism is 8 cm. What is the surface area of the prism?
A given bacteria culture initially contains 2500 bacteria and doubles every half hour. The number of bacteria p at a given time t is given by the formula p(t)=2
Which are steps taken by the first emperor of a united China to unify the country? Choose all answers that are correct. A. taught Chinese history and government
How do you think the Aztecs were able to establish an extensive empire in such a relatively short period of time?
Which type of poem was most popular during the mid-eighteenth century, at the height of the neoclassical era?
How did the Congress of Vienna ensure peace in Europe?
Who was Mary Leaky and what did she believe?
why do we convert measurements
Why were the members of the Third Estate dissatisfied with their way of life under the Old Regime?
how does a stratovolcano form