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If v=a1 i +b1 j and w=a2 i +b2 j , then the following are true. v + w =(_x_) i +(_y_) j x -
If
v=a1i+b1j
and
w=a2i+b2j,
then the following are true.
v+w=(_x_)i+(_y_)j
x - (b1b2)i
(a1-a2)i
(a1+a2)i
(b1b2)i
y - (b1b2)j
(a1-a2)j
(a1+a2)j
(b1+b2)j
vw=(_x_)i+(_y_)i
x - (b1b2)i
(a1-a2)i
(a1+a2)i
(b1b2)i
y - (b1b2)j
(a1-a2)j
(a1+a2)j
(b1+b2)j
kv=(_x_)i+(_y_)j
x - (kb1)i
(ka2)i
(ka1)i
(kb2)i
y - (kb1)j
(kb2)j
(ka2)j
(ka1)j
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