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 ( 41+ )
Otras preguntas
What is the electric field at a point 0.450 m to the left of a -5.77*10^-9 C charge? Include a + or - sign to indicate the direction the field. The answer is -
In the U.S what is a "pat" of butter?
Value of x? Complementary angles, easy.
The current in the wire (blue) is directed to the right. A conducting loop (green) is in the plane of the wire. The current is increasing with time. Find the di
All of the following are countries in Africa, EXCEPT * Israel Republic of Congo South Africa Ethiopia
240 divided by -3 x - 8=
Which of the following could a reader expect to find in a denouement? the first meeting of a girl and a boy in a love story a knight setting off to chase a drag
what is the equation of the line that has an x-intercept of x=2.5 and y-intercept of y=1.5?
Which of the following expressions has a value of -3? Select all that apply. A) 27÷9 B) 24÷−8 C) −15÷5 D) −33÷11 E) 36÷−12
The ages, in years, of employees at a fabric store are represented by the box-and-whisker plot shown.
