keniiie
keniiie
01-07-2018
Mathematics
contestada
help with this blank question
Respuesta :
gmany
gmany
01-07-2018
[tex]i=\sqrt{-1}\to i^2=-1\\\\i^{15}=i^{1+14}=i^1\cdot i^{14}=i\cdot i^{2\cdot7}=i\cdot (i^2)^7=i\cdot(-1)^7=i\cdot(-1)=-i[/tex]
[tex]\text{Used:}\\\\a^n\cdot a^m=a^{n+m}\\\\(a^n)^m=a^{n\cdot m}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 33+ )
Otras preguntas
A patient needs to receive 35 mg of amoxicillin orally. The drug is available in a strength of 100 mg/tsp, How many tsp of the drug must the patient swallow to
which number is 100 less than 38 tens
how long is 63 months in years?
Which decimal is equivalent to 13/20?
In how many ways can 12 one-dollar coins be shared between Josh, Frank, and Suzy if each of them receives at least 3 coins?
The weekly sales of a magazine increased from 500,000 to 600,000. By what percentage did the magazine sales increase?
Write good insulators around the home
The Earth has a radius of 6,400 kilometers. A satellite orbits the Earth at a distance of 12,800 kilometers from the center of the Earth. If the weight of the s
A ball is thrown into the air with an upward velocity of 44 ft/s. Its height h in feet after t seconds is given by the function [tex]h=-16t ^{2} +44t+9[/tex]. W
what creates more friction aluminum foil, wax paper or plastic wrap
