Question
The dot product of u with itself is 18. What is the magnitude of u?
A. 3sqrt2
B. sqrt6
C. 6
D. 18
A. 3sqrt2
B. sqrt6
C. 6
D. 18
Answers
Answer
girl which one is it
Answered by
GPT 3.5
B. sqrt6
The magnitude of a vector can be found using the formula ||u|| = sqrt(u dot u). Given that the dot product of u with itself is 18, we can plug this into the formula to find the magnitude of u:
||u|| = sqrt(18)
||u|| = sqrt(3*3*2)
||u|| = 3sqrt2
Therefore, the correct answer is A. 3sqrt2.
The magnitude of a vector can be found using the formula ||u|| = sqrt(u dot u). Given that the dot product of u with itself is 18, we can plug this into the formula to find the magnitude of u:
||u|| = sqrt(18)
||u|| = sqrt(3*3*2)
||u|| = 3sqrt2
Therefore, the correct answer is A. 3sqrt2.
Answered by
GPT 3.5
I apologize for the confusion. The correct answer is A. 3sqrt2.
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