How do you find u+v and u-v given u=<2,1> and v=<1,3>?

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Answer 1 · 2018-07-09T06:12:22

Please see the explanation below

The vectors are

#vecu=<2,1>#

#vecv= <1,3>#

Therefore,

The addition of the #2# vectors

#vecu + vecv=<2,1> + <1,3>#

#= <2+1, 1+3>#

#= <3, 4>#

The subtraction of the #2# vectors

#vecu - vecv=<2,1> - <1,3>#

#= <2-1, 1-3>#

#= <1, -2>#