The equations of the sides {\AB}, {\BC} and {\CA} of a triangle {\ABC} are: 2 {\x}+ {\y}=0, {\x}+ {\py}=21 {\a},( {\a} \neq 0) and {\x}- {\y}=3 respectively. Let {\P}(2, a) be the centroid of \triangle {\ABC}. Then ( {\BC})^2 is equal to [24-Jan-2023 Shift 2]

Straight Lines and Pair of Straight Lines Part 2

Section: Mathematics

Question : 60 of 72

Marks: +1, -0

The equations of the sides AB,BC and CA of a triangle ABC are: 2x+y=0,x+py=21a,(a≠0) and x−y=3 respectively. Let P(2, a) be the centroid of △ABC. Then (BC)2 is equal to

[24-Jan-2023 Shift 2]

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