keniiie keniiie
  • 01-07-2018
  • Mathematics
contestada

help with this blank question

help with this blank question class=

Respuesta :

gmany
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

Otras preguntas

What motivated the South African government to end the apartheid system? o A. Great Britain threatened to invade the country unless apartheid laws were repealed
Andrew calculates that 40% of 50% of x is equal to 20% of 30% of y, where x ≠ 0. Which of the following is true?
Complete this sentence with a metaphor or simile: Standing up to an injustice is like...
How was the appointment of two Consuls during the Roman Republic an example of a democratic principle? One Consul represented patricians and one represented pl
WHAT ACTION DO WARM COLORS TAKE IN A PAINTING?
donde esta tu restaurante favorito mio restaurante favorito esta cerca de aqui mi resturante favorito es cerca de aqui mi restaurante favorito esta cerca de aqu
will any one become my girfiend​
What is the quantity of atoms in KMnO4 ?
A whale is a mammal and a shark is a fish, but they have similar body plans. This is an example of _______.
which element has the lowest atomic mass in group 6A