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 ( 55+ )
Otras preguntas
Which rule transforms quadrilateral ABCD to quadrilateral A'B'C'D'? A. (x,y)---->(x,-y-4) B. (x,y)---->(x+6,-y) C. (x,y)---->(x+6,y-4) D. (x,y)---->
What technique was used to create a more realistic interpretation in Flemish art? A. atmospheric perspective B. linear perspective C. two point perspectiv
Modern atomic theory states that atoms are neutral. How is this neutrality achieved ? A. Equal number of neutrons and protons B.Equal number of protons and elec
Solve 5m − 3h = 45 for h. Show your work.
It was useless to wait any longer the last bus had left. Please rewrite this sentence EXACTLY but place the colon in the right location
hiiiiii what is the possible theme for the story scouts honor
What is the transformation of p(x)=x^4; m(x)=-p(0.5x)+2?
Which transformation will be equivalent to rotating a figure 270 degrees clockwise ?
Food should be stored in a dry location free from dust and contamination and at least how many inches off the floor
What are two reasons for versioning your still life project file
