The values of for which the angle between the vectors and is acute and the angle between the vector and the -axis lies between and are |
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a) |
1, 2 |
b) |
c) |
All |
d) |
All |

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

a) |
1, 2 |
b) |
c) |
All |
d) |
All |

1 Answer

127 votes

**(c)**

According to the given conditions, we have

and

and

and

127 votes

127