Vector Algebra Part 1

Section: Mathematics

Question : 38 of 100

Marks: +1, -0

Let A(3,0,−1),B(2,10,6) and C(1,2,1) be the vertices of a triangle and M is the midpoint of AC. If G divides BM in the ratio, 2 : 1, then cos(∠GOA) (O being origin) is equal to :

[10 Apr 2019 Shift 1]

1
2√15
1
√15
1
6√10
1
√30

Validate

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