What are you referring n as
Answer:
Q3: x1=2+i, x2=2-i Q4: x1=-3/2+i, x2=-3/2-i
Step-by-step explanation:

(
±
) /
= (
x1= 2+i
x2= 2-i

(
±
) /
= (-6 ±
)/4= (-3 ± i)/2
x1 = -3/2 +i
x2 = -3/2 -i
Answer:
First one
Step-by-step explanation:
If you simplify the first answer, the numbers in the answer will not repeat
Answer: 192 is the answer
Step-by-step explanation:
|-3 x 64|
3x4 is 12 then you add the one above the 6
next you do 3x60+1 and you get 190 so then you add the 2 that was left over to get 192 as your answer
Answer:
3/20
Step-by-step explanation:
5 green marbles,3 red marbles and 2 blue marbles from the bowl = 10 marbles
P( green) = green/total = 5/10 = 1/2
Replace
5 green marbles,3 red marbles and 2 blue marbles from the bowl = 10 marbles
P( red) = red/total = 3/10
P(green,replace, red) = 1/2 * 3/10 = 3/20