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

Why did ancient Egyptian civilization fall?
Caitlin has 4 3/4 pounds of clay . She uses 1 1/10 pounds to make a cup ,and another 2 pounds to make a jar , how many pounds are left write an equation
find the distance and airplane travels if it goes 400 miles per hour for 3 hours.
ana completed 40% of her homework assignment.Her assignment contains 30 math problems. How many problems does anna.still need to complete?
71 is 10 less than my number
the sum of two numbers is 92.Their difference is 20
What is an example of sliding friction
Which shows 7 2/9 written as an improper fraction? 65/9, 79/2, 72/9 or 23/9?
Write the ratio in its simplest form. 1.4/7
List two forms of propaganda that Adolf Hitler used. Describe how they were effective.