A parallelogram is constructed on the vectors , if and angle between and then length of diagonal of the parallelogram is |
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a) |
b) |
c) |
d) |
None of these |

A parallelogram is constructed on the vectors , if and angle between and then length of diagonal of the parallelogram is |
|||||||

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

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