Question: 6 ] Let vec ( r ) = ( : 1 , 4 , - 7 : ) vec ( S ) = ( :

6] Let vec(r)=(:1,4,-7:)
vec(S)=(:-2,3,1:)
Find
vec(r)*vec(s) and vec(r)vec(s)
6 ] Let vec ( r ) = ( : 1 , 4 , - 7 : ) vec ( S )

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