How do you find u+v and u-v given u=i+j and v=2i-3j?

1 Answer
Tony B
Dec 7, 2016

See the explanation.

Explanation:

u ->i+ju→i+j
ul(v->2i-3j) larr" add"
" "3i-2j

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

u ->i+j
ul(v->2i-3j) larr" subtract"
" "-i+4j

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