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 ( 59+ )
Otras preguntas
The words assured, confident, conceited, and proud all have similar meanings. Which word would a writer use to express a negative opinion about a character? A.
10. Two sides of a triangle are of length 6 cm and 2.5 cm. The length of the third side of triangle cannot be (d) 3.2 cm (a) 4.8 cm (b) 5 cm (c) 5.5 cm bea
What is 5/6 + 3/4?A. 8/12B. 8/10C. 1 9/12D. 1 7/12
Carina is driving from her home in Anaheim to Berkeley on the same day her brother is driving from Berkeley to Anaheim, so they decide to meet for lunch along t
if branch can be used to compute an absolute value of a number. a) Trueb) False
Write 518 and 346 in expanded form PLEASE HELP ME
Which of the expressions are equivalent to the one below? Check all that apply. (5.1)-7 A. (15)-7 B. 5. (1+7) C. (5+1)-7 D. 7+ (15) apex. pic below.
The following sentence may contain a grammar or usage error. Read the sentence and identify its error, if there is one, by choosing the appropriate answer. If t
-2=7(q+ 2) +3(2q -1) Solve for q
"Turn off the torch!" I hissed into my headset. "Everyone will spot us!" I felt my pulse quicken as we moved into the dark clearing. "Every elf and bounty hunte