The values of for which the angle between the vectors and is acute and angle between and -axis lies between and are |
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a) |
b) |
All |
c) |
1 |
d) |
All |

The values of for which the angle between the vectors and is acute and angle between and -axis lies between and are |
|||||||

a) |
b) |
All |
c) |
1 |
d) |
All |

127