Two points A (3, -1) and B (-2, 4) lie on a line l. (b) Find the distance between the points A and B.
c) Find the midpoint of the line joining A and B..
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(a) A(3,-1)and B(-2,4)
So it's distance is √(x2-x1)^2+(y2-y1)^2
=) √(3+2)^2+(-1-4)^2
=) √25
=)5 units
(b) mid point formula is [(x1+x2)/2
,(y1+y2)/2]
=) x= 3-2/2 = 1/2
=) y= -1+4/2 =3/2
Step-by-step explanation:
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