Compute the dot product for the equation, Mathematics

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Compute the dot product for each of the subsequent equation

(a) v^→ = 5i^→ - 8j^→ , w^→ = i^→ + 2j^→

(b) a^→ = (0, 3, -7) , b^→ = (2, 3,1)

Solution

(a) v^→ • w^→ = 5 -16 = -11

(b)a^→ • b^→ = 0 + 9 = 2

Not much more to do with these other than use the formula.

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