SOLUTION: The position vectors of the points p,q,r and s relative to the origin O are: p=si-6j, q=4i+4j, r=8i-9j, s=10i-25j respectively. Solve: I) 5p-3q+4r

Algebra ->  Vectors -> SOLUTION: The position vectors of the points p,q,r and s relative to the origin O are: p=si-6j, q=4i+4j, r=8i-9j, s=10i-25j respectively. Solve: I) 5p-3q+4r       Log On


   

Question 1028926: The position vectors of the points p,q,r and s relative to the origin O are: p=si-6j, q=4i+4j, r=8i-9j, s=10i-25j respectively.
Solve:
I) 5p-3q+4r
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The position vectors of the points p,q,r and s relative to the origin O are:
p=si-6j,
q=4i+4j,
r=8i-9j,
s=10i-25j
--------
Solve:
I) 5p-3q+4r
===============
p=si-6j, si ?
----
5p = 5si-30j
-5q = -20i-20j
4r = 32i-36j
-------------------- Add
(5s+12)i - 86j