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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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