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 ( 39+ )
Otras preguntas
Which relations are functions and which are not functions? Column A Column B 1. {(3, 2), (6, 4), (9, 6), (12, 8)} 2. {(2, 3), (2, 5), (3, 6), (9, 4)} 3. {(
America changes through times of ___ and cooperation.
In northern Canada the people of ___________________ have their own local government.
what are two things that increased power output
In a monohybrid cross, if the gene for tall (T) plants was incompletely dominant over the gene for short (t) plants, what would be the predicted result of cross
Which of the following is not a step in the inquiry process? A.) Summary B.) Observation C.) Execution D.) Question
Riddle: How many seconds are there in one year?
what is 55÷11+7×(2+14
In what sense are building materials for folk housing unique
which organelle should be listed under "both" in the diagram plants and animals ? A. Centriule B. Mitochondrion C. Chloroplast D. Cell wall
