Pammie123cakess
Pammie123cakess
04-06-2014
Mathematics
contestada
how do I solve (3+i)(3-i)
Respuesta :
kate200468
kate200468
04-06-2014
[tex] (3+i)(3-i)=3(3-i)+i(3-i)=9-3i+3i-i^2=9-(-1)=\\\\=9+1=10[/tex]
Answer Link
kayt91
kayt91
05-06-2014
(3+I)(3-1)
-i^2+9=0
-I^2=-9
I^2=9
i= + or - 3
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
Which of the following is not considered a COPD related disease? a. Bronchiectasis b. Bronchial asthma c. Bronchitis d. Bronchial hypotension
1). [(6,1), (6,2), (6,3)] 2). [(0,5), (5,-1), (5,9)] 3). [(1,-6), (3,-5), (1,0)] 4). [(0,8), (1,7), (2,6)]. Which of the following relations is a function?
Why did the citizens of western Virginia form their own government and ask to be admitted to the Union as a separate state? They believed that slavery was immor
The Three-Fifths Compromise determined how population would be counted for: A: Representation in Congress and also immigration ration B: Direct taxes on the pop
Why did Paine believe that Britain was unworthy of being called a republic?
Kara has 21 collectible buttons to sell. She sells the small buttons for $3 and the large buttons for $4, and earns a total of $68. If the small buttons are rep
What did the Social Security Act and the Work Progress Administration have in common regarding employment for young people?
Give the next two numbers in the pattern. 0, 0.75, 1.5, 2.25,... Enter the answers separated by a comma without any spaces.
Correct french translation? La plupart de mes expériences impliquant la culture française ont été principalement effectuée à l'école. Ma première expérience ave
Which type of narrator has full knowledge of only one character, rather than all the characters? 1.first-person 2.limited third-person 3.omniscient third-pe
