just want to make sure im doing this right Given the vectors A = 10ˆi +4ˆj, B = 3ˆi −2ˆj +5ˆk (a) A · B (10)(3)+(-2)(4)+(5)(0)=22 or is it (10)/(3)+(-2)(4)+5=27 just didn't know if i would multiply by zero or not
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It is $\displaystyle (10)(3)+(-2)(4)+(5)(0)=22$
ok thanks just wanted to make sure would hate to make mistake like that
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