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What is the dot product of $(2 i - 3 j + 4 k)$ $(2i -3j + 4k)$ and $(- 4 i - 5 j + 2)$ $(- 4 i - 5 j + 2)$ ?

1 Answer

Apr 7, 2016

$A \cdot B = 15$ $A*B=15$

Explanation:

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$A \cdot B = 15$ $A*B=15$

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