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 ( 49+ )
Otras preguntas
Maria is going to purchase cranberry juice and lemon-lime soda for a new fruit punch recipe. The recipe calls for 3.5 times as many bottles of lemon-lime soda a
Consider the following inequality: ā2(2zā3)ā„2z+24 Step 1 of 2 : Write the solution using interval notation.
Solve each equation. |x+5|=-3
The study of the communicative function of touch is known as A) haptics. B) paralinguistics. C) chronemics.
The cells ____ and shrivel up
The monthly cost of water use is a linear function of the amount of water used (HCF). The cost for using 16 HCF of water is $39.04, and the cost for using 44 HC
Gaspar writes the algebraic expression 5b +3.79. It represents the total cost, in dollars, of buying 5 bagels and a container of cream cheese. Identify any vari
Carter invested $70,000 in an account paying an interest rate of 1.125% compounded continuously. Savannah invested $70,000 in an account paying an interest rate
The study of the communicative function of touch is known as A) haptics. B) paralinguistics. C) chronemics.
A 16.0 kg canoe moving to the left at 10 m/s makes a head-on collision with a 19.0 kg raft moving to the right at 7.0 m/s. After the collision, the canoe moves
