Q11 of 157 Page 760

If is the midpoint of the line segment joining the points A(-6, 5) and B(-2, 3) then the value of a is

If P(x, y) is the midpoint of the line joining AB then By Midpoint Formula we have,


⇒ and y


⇒


⇒ a = -8


Therefore the value of a is -8.

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