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
the preindustrial age for western civilization lasted from the start of recorded history to about the?
write open question about social media
Factors that influence standard of living Which of the following factors explains most of the differences in standards of living among countries around the worl
the american musical form that developed between 1880-1900 and spoke of personal feelings of suffering, hard times, lust, and love is:
2.65 g of sodium carbonate was dissolved in water and made up to 500 ml in a standard flask. 20 ml portions of this solution required 18.50 ml of a solution of
90- We always get up early. (are used to)
The principle ‘forgive and forget’ helps a lot in maintaining cordial relations with our neighbours. do you think anton chekov conveys this message in the play
Systemic error (track bowing) (20p): you may have found that you couldn't perfectly level the air track: if it was level in one place, it was not quite level in
What value of x is in the solution set of the inequality 4x – 12 ≤ 16 + 8x?
A bag contains 7 red marbles and 4 blue marbles. A marble is taken at random from the bag and replaced. Another marble is taken from the bag. Work out the prob
