If \( \mathrm{M}\left(\frac{\mathrm{a}}{3}, 4\right) \) is the mid-point of the line segment joi... VIDEO
If \( \mathrm{M}\left(\frac{\mathrm{a}}{3}, 4\right) \) is the mid-point of the line segment joining the points \( \mathrm{A}(-6,5) \) and \( \mathrm{B}(-2,3) \), then the value of \( \mathrm{a} \) is
a. -3
b. -12
c. 6
d. -6
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