SOLUTION: For the pair of vectors, find U + V, U − V, and 4U + 3V. U = 4i, V = −6j U + V = U − V = 4U + 3V =

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Question 1126855: For the pair of vectors, find U + V, U − V, and 4U + 3V.
U = 4i, V = −6j
U + V =

U − V =

4U + 3V =
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.
Learn and memorize these simple rules:


1.  To multiply the vector ai + bj  by the scalar  "c", multiply by "c" every component:


    c*(ai + bj) = (ac)i + (bc)j.



2.  To add the vectors  (ai + bj)  and  (ci + dj) ,  add coefficients at co-named components:


    (ai + bj)  and  (ci + dj) = (a+c)i + (b+d)j.


Now you know EVERYTHING what you need to do all these assignments on your own.

It is as simple as 2 x 2 = 4.


Do not forget to post your "Thanks" to me for my instructions.



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