annameghan
annameghan
03-10-2017
Mathematics
contestada
rationalize the denominator of (click photo)
Respuesta :
liemonder
liemonder
03-10-2017
[tex]\frac{\sqrt{-49}}{(7-2i)-(4+9i)}=\\ \frac{\sqrt{-1*7*7}}{3-11i}=\\ \frac{7i}{3-11i}*\frac{3+11i}{3+11i}=\\ \frac{(7i)*(3+11i)}{3^2-(11i)^2}=\\ \frac{21i+77i^2}{9+121}=\\ \frac{21i-77}{130}=\\ \frac{-77+21i}{130}[/tex]
so it is the last option
Answer Link
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
One of the primary accomplishments of William and Mary of Orange was ___________. a. an end to the 1 Civil War b. the reestablishment of Parliament c. an end to
The part of the brain responsible for speech, thought, and memory is the _____. medulla cerebellum cerebrum thalamus
Tim gets 28 miles per gallon of gas. How many gallons of gas would he use if he drove 55 mph for 2.75 hours
. Using the order of operations rule, solve the following: 12 ÷ 2 + 4 – 2 × 3 = ? A. 4 B. 36 C. 24 D. 0
what is incorporated in the term Habeas Corpus
Eating 6y foods helps us in managing stress because
Identify the independent and dependent variables. Eman is conducting an experiment to see how much sugar will dissolve in water as the temperature of the wate
Which of the following is an important rule regarding colon usage? A. A colon can't be used in a question. B. A colon only introduces a list. C. A colon poin
All of the following factors helped give rise to unions EXCEPT a. early government support. c. little job security. b. low pay. d. poor working conditions.
If x is a number which expression represents the statement 4 less than the product of 2 and a number
