What do you see as the major differences between the post-Impressionists (Cézanne, Gaugin, Van Gogh) and the American realists ( Homer, Eakins, Ryder, and tanner) of the same time period?

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coordinates of r(b,c)

slope of nm is 0.

step-by-step explanation:

the midpoint of the line joining the points (x₁,y₁) and (x₂,y₂) is given by

the midpoint of the line segment nk is given by

∴r(b,c)

the slope of the line joining the points (x₁,y₁) and (x₂,y₂) is given by

slope of rs is

hence

coordinates of r(b,c)

and slope of nm is 0.