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Find the dot product, a • b. a = 6i + 5j, b = -5i + 4j

Find the dot product, a • b. a = 6i + 5j, b = -5i + 4j
asked 90.8k views
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Find the dot product, a • b. a = 6i + 5j, b = -5i + 4j

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User ActiveApathy
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2 Answers

1 vote
If i is a normal variable: then it is -30i^2 - i*j + 20j^2

If i is the constant i, then it is 20j^2 -i*j + 30
answered
User Stefano Cavion
by
7.9k points
3 votes

Answer:

the answer is -10

answered
User Cirpo
by
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