A `(3,0,-1),B(2,10,6)` and `(1,2,1)` are the vertices of a triangle. M is the mid point of the line segment joining AC and G is a point on line segment BM dividing `2:1` ratio internally find `cos(angleGOA)`A. `(2)/(sqrt(5))`B. `(1)/(sqrt(15))`C. `(1)/(sqrt(10))`D. `(1)/(sqrt(3))`

A `(3,0,-1),B(2,10,6)` and `(1,2,1)` are the vertices of a triangle. M

1.	A `(3,0,-1),B(2,10,6)` and `(1,2,1)` are the vertices of a triangle. M is the mid point of the line segment joining AC and G is a point on line segment BM dividing `2:1` ratio internally find `cos(angleGOA)`A. `(2)/(sqrt(5))`B. `(1)/(sqrt(15))`C. `(1)/(sqrt(10))`D. `(1)/(sqrt(3))`
Answer» Correct Answer - B

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A `(3,0,-1),B(2,10,6)` and `(1,2,1)` are the vertices of a triangle. M is the mid point of the line segment joining AC and G is a point on line segment BM dividing `2:1` ratio internally find `cos(angleGOA)`A. `(2)/(sqrt(5))`B. `(1)/(sqrt(15))`C. `(1)/(sqrt(10))`D. `(1)/(sqrt(3))`

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