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 ( 42+ )
Otras preguntas
Ajob helps you learn how to manage time. What is the verb in this sentence? a. helps b. time c. how d.job
4a+6b-5c+30+3a-2b place variables in alphabetical order.
Chris worked 45 hours at the library last week. If he gets time and a half for overtime and his regular pay rate is $15.75. How much did he make for each hour o
Which of these represent the correct ratio of boys to girls as a rate? Select all that apply. A. 12 girls for every boy B. 14 to 12 C. 14 boys for every 12 girl
is this a function or not a function
What would you need to do to solve for x? x+45=-10
What part of speech is the word suppression? Thanks!
What is the value of sin(A)?
What would motivate a person to choose to take a subway train where they have to change two times each way? a. to avoid parking c. to have time to catch up on t
"i now understand my children better and we are getting quite well" peter said. Turn that sentence into reoported speech
