Answer to Question #52234 in Vector Calculus for vi

Question

What are the component of a vector
I,x,k
I,j,k
y,x,i
w,I,k
7 If
r4=r1+r2+r3
,which of the vectors are linearly dependent .

r1

r3

r4

r2
8 Tf u.v=v.u,what does the law conotes;
associative
commutative
distributive
scalar
9 A dot product is said to be distributive,if Â…Â…..
m.u=u.m
m(u.v)=v(m.v)
u.(v+w)=(u.v+u.w)
m=u
10 Given that :
r−1=6i−8j+2k,r2=4i+5j+7k,r3=−2i+j+6kisavector.Findr1r2
30
26
-26
19