Greenrune113 Greenrune113

10-05-2018
Mathematics

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Q7 Q11.) Use the dot product to determine whether v and w are orthogonal.

Q7 Q11 Use the dot product to determine whether v and w are orthogonal class=

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geerky42 geerky42

10-05-2018

Dot product of two orthogonal vectors is always zero.

So let's do dot product:

v·w = (8i + 7j) · (6i - j) = (8)(6) + (7)(-1) = 41 which is not zero

So v and w are not orthogonal.

Hope this helps.

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