annameghan
annameghan annameghan
  • 03-10-2017
  • Mathematics
contestada

simplify 10 over 8-5i

simplify 10 over 85i class=

Respuesta :

liemonder liemonder
  • 06-10-2017
[tex]\frac{10}{8-5i}=\\ \frac{10}{8-5i}*\frac{8+5i}{8+5i}=\\ \frac{10*(8+5i)}{(8-5i)(8+5i)}=\\ \frac{80+50i}{64-25i^2}=\\ \frac{80+50i}{64+25}=\\ \frac{80+50i}{89}[/tex]

so it is the second option
Answer Link

Otras preguntas

Find x to the nearest hundredths place. A. 52.06 cm B. .04 cm C. 10.26 cm D. 24.27 cm
____ spacing is the amount of space above and below a paragraph.
The variable that researchers observe to see if it changes as a result of the treatment is called the
the table below lists the masses and volumes of several pieces of the same type of metal. There is a proportional relationship between the mass and the volume
Compare and contrast the properties of metals, metalloids, and nonmetals. Identify groups and sections of the periodic table by group name and common properties
(1 pt) Which statements about the characteristics of molas are true? Choose all answers that are correct. A. Kuna men hand sew molas and att
A doctor orders a sample of her patient's blood to be measured for cholesterol levels. The results show an LDL level of 200 mg/dl and an HDL level of 60 mg/dl.
most people acknowledge that WWII on sept. 1 939 when ? invaded poland
there are 129 people signed up to go whitewater ràfting . each raft hold 6 passengers
Sebastian swan laps every day in the community swimming pool. he swam 45 minutes each day, 5 days each week, for 12 weeks. in that time, he swam 1800 laps. what