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 ( 25+ )
Otras preguntas
Please help me it well help me alot Which of the following would cause a wire’s electrical resistance to increase? A lowering the wire’s temperature B makin
Theo suffers from depression and is currently in treatment for it. his physician is using electroconvulsive therapy (ect, which will affect his _____ memory.
Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. what is the molar concentration of h3o+ in a cola that ha
As the urban heat island effect grows in acuity, the city's _____ are likely to experience higher temperatures than the suburbs
ASAP QUESTIONS PLEASE ANSWER What is the solution to the system of linear equations? 4x+3y=54 3x+9y=108 Enter your answer in the boxes. What is the gr
Why did WWII start, and could've it been prevented?
1,2,4,7,11,16,22, ___,____ What is the rule?
Prolonged exposure to stress can affect the body and work away
What is a good topic sentence for "Do you believe that the world has changed for the better or for worse?"
why is 5/3 greater than 5/8