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 ( 31+ )
Otras preguntas
Why is it unlikely that the black desert ant life will be a laggard when it is out of the burrow during the middle of the day?
What type of money is based only on faith? a. Commodity money b. Flat money c. Representative money d. Foreign money
In what ways will understanding the body positions directions and planes assist with task related to the muscle skeletal systems
______ are sacred to hindus and _______ are considered unclean to muslims. select one: a. pigs; sheep b. sheep; pigs c. cows; goats d. cows; pigs e. pigs;
A friend shares a bootlegged copy of a movie on dvd. are you in violation of copyright laws by watching this dvd?
Will someone please solve this. Give answer in form of square root.
Picking up after the impressionists, vincent van gogh and _________ rejected conventional techniques and saw art as a vehicle for expression.
Solve for k: k/2+1/2= Plz explain how to solve it
One of the same side angles of two parallel lines is 20° smaller than the other one. Find all angles. Please explain this problem, I don't under stand it.
Choose all that apply. The three great philosophers that appeared in the Greek civilization back-to-back-to back were _____. Socrates Plato Alexander Aristotl
