Find the component form of a vector with initial point (2,-1,7) and terminal point Q(-2,3,-5)

Question

Find the component form of a vector with initial point (2,-1,7) and terminal point Q(-2,3,-5)

 

I have tried to find the sides and use Heron's formula but I just can't get it.

Answer 1

Component form is terminal vector minus initial vector

 

<-2 -2, 3 -(-1), -5 - 7>

<-4, 4, -12>