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In an acute triangle A B C , if the coor...

In an acute triangle `A B C` , if the coordinates of orthocentre `H` are `(4,b)` , of centroid `G` are `(b ,2b-8)` and of circumcenter `S` are `(-4,8)` , then `b` cannot be (a) `4` (b) `8` (c) 12 (d) `-12`

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