If are three mutually perpendicular vectors each of magnitude unity, then is equal to |
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a) |
3 |
b) |
1 |
c) |
d) |
None of these |

If are three mutually perpendicular vectors each of magnitude unity, then is equal to |
|||||||

a) |
3 |
b) |
1 |
c) |
d) |
None of these |

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