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Find a+b,9a+7b,|a| , and |a-b| . (Simplify your vectors completely.) a=9i-8j+7k,b=7i-9k a+b= 9a+7b= |a|= |a-b|= Need Help? Find a+b,9a+7b,a, and
Find
a+b,9a+7b,|a|
, and
|a-b|
. (Simplify your vectors completely.)\
a=9i-8j+7k,b=7i-9k
\
a+b=
\
9a+7b=
\
|a|=
\
|a-b|=
\ Need Help?
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