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 ( 17+ )
Otras preguntas
Carter, a 20-year-old American, goes to Japan to study Buddhism. He takes time to conform to Japanese culture and to act appropriately. He changes his individua
What is thne ingernatiopn constitution called.
Which statement correctly compares functions fand g? ОА. They have the same end behavior as x approaches -oo but different end behavior as x approaches.co. OB.
Modèle Nous habitons sur le campus, Est-ce que vous habitez sur le campus? Habitez-vous sur le campus? 1. Il mange au restou 2. J'oublie les examens. 3. Françoi
How do Travis, Ruth, Mama, and Walter feel at the end of Act 1?
-2+7(5-9) for 39 points!!!!!
to determine the number of trout in a lake a conservationalist catches 184 trout, tags and throws them back into the lake. later 56 trout are caught; 14 of them
PLS HELP ME WITH THIS! THANK YOU IN ADVANCE <3
The gravitational pull of the Moon is much less than the gravitational pull of Earth. An object with a mass of 50 kilograms weighs about 18 pounds on the Moon.
This Quarter circle has a radius of 7 cm What is the area of this figure Use 3.14 for pi Into your answer as a decimal in the box round your answer to the neare
