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 ( 95+ )
Otras preguntas
1) Find the equation of the line with slope equal to 3 and passing through point (3, 4). Write the equation in slope-intercept form. 2)Find the equation of the
What opinion might a British soldier have had about the Boston Massacre?
What are adaptations of the baobob tree
Choose an element from the Group that will lose 2 electrons in order to achieve noble gas configuration? What is the group name for that element?
Sunflowers belong to which of the following kingdoms? A. Animalia B. Fungi C. Plantae D. Protista
A sample of a gas is contained in a closed rigid cylinder. According to kinetic molecular theory, what occurs when the gas inside the cylinder is heated? (1) Th
1. During World War I, the increase in home gardens was an example of which of the following? A. campaigns to overcome shortages caused by ships being sunk B. c
Compared to pure water, an aqueous solution of calcium chloride has a (1) higher boiling point and higher freezing point (2) higher boiling point and lower free
with what strategy did grant plan to defeat the confederacy?
how can conversion of measurements help me solve real world problems