If the direction ratio of two lines are given by and then the angle between the line is |
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a) |
b) |
c) |
d) |

If the direction ratio of two lines are given by and then the angle between the line is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(d)**

Given, …..(i)

* …*(ii)

From Eq. (ii), putting in Eq. (i)

127 votes

127