Laws of Motion Part 2

Two forces

→

F

1 and

→

F

2 are acting on a body. One force has magnitude thrice that of the other force and the resultant of the two forces is equal to the force of larger magnitude. The angle between

→

F

1 and

→

F

2 is cos−1(‌

1

n

). The value of |n| is _______.