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Find the value of a, for which point P(a...

Find the value of a, for which point `P(a/3 ,2)` is the midpoint of the line segment joining the points `Q (-5, 4) and R (-1, 0)`.

Text Solution

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`3x-7y^2+3xyz=3(2)-7(-4)^2+3(2)(-4)(1)`
`=6-7xx16-6xx4`
`=6-112-24`
`=6-136`
`=130`
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