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A(6,1) is the vertex of triangle ABC , B...

`A(6,1)` is the vertex of `triangle ABC , BC : 2x+y-4=0 & C` moves on `x+3y=7` If `(alpha,beta)` is centroid then `15(alpha+beta)=?` where ABC is an isosceles triangle where `(AB=AC)`

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
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