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Question
The magnitude of the vector `6hat"i" + 2hat"j" + 3hat"k"` is ______.
Options
5
7
12
1
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Solution
The magnitude of the vector `6hat"i" + 2hat"j" + 3hat"k"` is 7.
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`veca = 4hati - hatj + hatk` and `vecb = -2hati + hatj - 2hatk`
