JEE Main 10 Apr 2019 Paper 1 Solved Paper

Section: Mathematics

Question : 87 of 90

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

Go to Question:

Prev Question

Next Question