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If 2 x+3 y+4=0 is the perpendicular bise...

If `2 x+3 y+4=0` is the perpendicular bisector of the segment joining the points `A(1,2)` and `B(alpha, beta)` then the value of `alpha+beta` is

A

`-(81)/(13)`

B

`-(136)/(13)`

C

`-(135)/(13)`

D

`-(134)/(13)`

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The correct Answer is:
A
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