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 ( 85+ )
Otras preguntas
(Ud.) / salir antes de las cinco
Which of the following is an advantage to using cash? A. Online bill pay B. Rewards C. Good record keeping D. No fees or charges 2b2t
The exponential function, f(x)=2^x, under goes two transformations to g(x)=1/3•2^x-7. How does the graph change select all that apply
A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick. a red marble, do not replace it, and pick another yellow
Webster Corporation is preparing a master budget for the first quarter of the year. The company budgets production of 2,680 units in January, 2,600 units in Feb
Please help 10 points :) Once upon a time, a silver dollar contained $1 worth of silver. The sizes of other coins were based on the silver dollar; for example,
The population density of spiders is what
Two six sided dice are rolled. What is the probability of one of the dice being a 4?a. 11/36 or 33%b. 1/4 or 25%c. 1/6 or 17%d. 1/3 or 33%
A history pop quiz has one question in which students are asked to arrange the following presidents in chronological order: Hayes, Taft, Polk, Taylor, Grant, an
¿Les dan gafas de sol los vendedores a los turistas?
