Math Problem Solver

In linear spaceV

the right Cartesian coordinate system is fixed( O ,ı⃗ ,ȷ⃗ ,k⃗ ) .

The coordinates of the vertices of the triangle are givenA ( − 1 , − 3 , 2 ) , B ( − 1 , − 2 , 1 )

AndC( 4 , − 3 , 2 ) .

On the straight lineL:x −x0l=y-y0m=z-z0n

the bisector of the external angle is located at the vertexB

triangle△ A B C

.

Findl , m , n ,x0,y0

Andz0.

{l ; m ; n }