Question: Finda + b,4a +7b,|a|, and |a b|.(Simplify your vectors completely.)a =8,15,b =8,3a + b=4a +7b=|a|=|a b|=

Finda + b,4a +7b,|a|, and |a b|.(Simplify your vectors completely.)a =8,15,b =8,3a + b=4a +7b=|a|=|a b|=

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