Numbrs are divided in real and imaginary, so they can't be together one thing
Complex number are imaginary numbers
in the other hand if you multiply am complex by i than you get a real number, but that is just a way of expressing, so not all numbers are complex.
(5i)²=-25----- a real number is a product of 2 imaginary but it doesn't mean that we can say all are complex
(the explaination is subjectiv, based just in my opinion and knowlige hope it helps)
Answer:
x=60°
Step-by-step explanation:
x=x(vertically opposite angles)
Now,
x+120°=180°
x=180°-120°
x=60°
Answer:
Step-by-step explanation:
V=4
3πr3
Answer: 1/2
Explanation:
There are 8 number in the set
And 4 of them are even
We can write it
P(even) = 4/8 = 1/2