-EquinoX-
- 561
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Homework Statement
what is the magnitude of the vector:
v = 3i - 4j - k
Homework Equations
The Attempt at a Solution
what I have is:
sqrt(3^2 + (-4)^2 + (-1)^2)
is this correct?
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3 replies · 2K views
what is the magnitude of the vector:
v = 3i - 4j - k
what I have is:
sqrt(3^2 + (-4)^2 + (-1)^2)
is this correct?
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Discussion
Mentor
- 38,152
- 10,759
It's correct, but should be simplified. Carry out the operations in the outer parentheses so that your answer is the square root of a single number.
-EquinoX-
- 561
- 1
hmm..the question asks for an exact answer... so should it just be sqrt(26)
Mentor
- 38,152
- 10,759
That ***is*** the exact answer.
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