If the centroid of triangle whose vertices are \( (a, 1,3),(-2, b,-... VIDEO
If the centroid of triangle whose vertices are \( (a, 1,3),(-2, b,-5) \) and \( (4,7, c) \) be the origin, then the
\( \mathrm{P} \) value of \( a, b \) and \( c \) are
W
(1) \( -2,-8,-2 \)
(2) \( 2,8,-2 \)
(3) \( -2,-8,2 \)
(4) \( 7,-1,0 \)
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