TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

Question : 31 of 160

Marks: +1, -0

If A (1, 2, 3), B (3, 7, -2), C (6, 7, 7) and D ( -1, 0, -1 ) are points in a plane, then the vector equation of the line passing through the centroids of Δ ABD and Δ ACD is

−
r
=2
−
i
+3
−
j
+3
−
k
+t(
−
i
+3
−
j
)
−
r
=(1+t)
−
i
+3
−
j
+3t
−
k
−
r
=
−
i
+
−
j
+
−
k
+t(2
−
i
−
−
j
)
−
r
=2
−
i
−
−
j
+t(
−
j
+4
−
k
)

Validate

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