If `P(a/2,4)`is the mid-point of the line-segment joining the points A (−6, 5) and B(−2, 3), then the value of a is
`P(a/2,4)`is the mid-point of the line segment joining points A (−6, 5) and B (−2, 3).
∴ Coordinates of point `P= (-6+(-2))/2,(-8/2,8/2)=(-4,)`
Thus, the value of a is −8.
The correct answer is A.
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