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 ( 44+ )
Otras preguntas
Name of the polynomial expression: -8
List the criteria used in classifying computer systems
Internet communication is a revolution in the field of communication. Justify
Rewards and Punishment examples
Write the statements P, q, and r. Use symbols to write the logical form of each argument. Identify the form of each argument. Construct a truth table and state
What did the policy of internment reveal about the United States? What were the impacts of internment on Japanese Americans in the years and decades following t
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
WILL GIVE BRAINLIEST IF FAST!! GIVE GOOD REVIEWS FOR CORRECT ANSWERS!
When 7 is subtracted from a certain number and the result is multiplied by 2, the final number is 18. What is the original number?
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!