Purple.
red is minus in math
You can't make red. It is a primary color.
In a vacuum the speed of red and blue light are the same as all light, 300,000,000m/s. Their frequency and wavelength will be different but the speed remains the same.
it makes a disgusting shade of brown.
Blue plus red equals purple
Blue plus red equals purple
red plus blue equals purple
Red + Red = Red Red + Blue = Purple
No, Purple without Blue is Red. And conversely, Purple without Red, is Blue.
blue and red
Bluish brown
yellow light
yellow light
Red light plus green light equals yellow light. This is why you get yellow on a screen. Light colours mixed give you different colours to paint colours. Light Primary colours are red, blue and green but Paint Primary colours are red, blue and yellow.
Purple. Mixing red and blue together creates the color purple.
magenta is just a lighter color than red