The lines and are |
|||

a) |
Concurrent for three values of |
b) |
Concurrent for one value of |

c) |
Concurrent for no value of |
d) |
Are parallel for |

The lines and are |
|||

a) |
Concurrent for three values of |
b) |
Concurrent for one value of |

c) |
Concurrent for no value of |
d) |
Are parallel for |

1 Answer

127 votes

**(c,d)**

If lines and are concurrent, then

but has no real roots. If , then two lines are parallel

127 votes

127