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 ( 21+ )
Otras preguntas
help pleaase eeeeeeeeeeeeeeee
Whereas other behavioral consultation models tend to focus on only child-related variables, conjoint behavioral consultants emphasize:1) Parent-related variable
The probability of a result of tails when tossing a coin is
The product of any number and zero is zero ????
In October 2000 the UN Security Council devoted an entire session to Women, Peace and Security –adopting Resolution 1325 Links to an external site. As a result.
Why can Bennie's sell more hamburgers for $1 than Sally's can sell salads for the same price, and how does this affect the total revenue brought in by each rest
is quadrilateral MNPQ congruent to quadrilateral RSTU lesson 9-2
Provide two reasons why people are hesitant to report corruption
the distance traveled (in feet) is proportional tp the number of seconds. find the values of x, y, and z. feet | 3 | x | 15 | z | Seconds | 5 | 65 | y | 3.5|
A family spends $45,000 on living expenses. with an annual inflation rate of 9%, they can expect to spend approximately __________ in one yeaA. 50,045B. 46,045C
