If the equation of the pair of straight lines passing through the point (1, 1), one making an angle with the positive direction of -axis and the other making the same angle with positive direction of -axis, is , then the value of is |
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a) |
b) |
c) |
d) |

If the equation of the pair of straight lines passing through the point (1, 1), one making an angle with the positive direction of -axis and the other making the same angle with positive direction of -axis, is , then the value of is |
|||||||

a) |
b) |
c) |
d) |

1 Answer

127 votes

**(c)**

Equations of the given lines are

and

So their joint equation is

Comparing with the given equation, we get

127 votes

127