La7tt0anisabe
La7tt0anisabe
04-06-2016
Mathematics
contestada
(-3 - 5i)(-3 + 5i) =
Respuesta :
caylus
caylus
04-06-2016
Hello,
You don't know (a-b)(a+b)=a²-b²?
(-3)²=9
(5i)²=-25
Answer 9 +25=34
Answer Link
Panoyin
Panoyin
05-06-2016
(-3 - 5i)(-3 + 5i)
-3(-3 + 5i) - 5i(-3 + 5i)
-3(-3) - 3(5i) - 5i(-3) - 5i(5i)
9 - 15i + 15i - 25i²
9 - 25(-1)
9 + 25
34
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
How much energy ( in joules ) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature ? A. 697.08 J B. 17,705.1 J C. 20,0
To remedy the high crash rates among young drivers
Your county is considering the purchase of land to form a nature preserve. This land is known as a breeding habitat for an endangered species of bird. Which of
a spool holds 6.75 meters and a craft club buys 21 spools. what is the total cost if the ribbons costs 2 dollars per meter?
How old are you? Yo tengo quince años. What does Yo tengo quince años. mean
can u help plz????????
A triangle has angles with the following measures: (x2 + 34)°, (6x + 4)°, and (10x + 10)°. Solve for x.
What dog breed should I get?
which helps to maintain a normal range of on Earth.
The economy of a country has shown signs of overheating, such as high inflation rates. the government decides to implement fiscal policy. which action should it
