The combined equation of the lines is and that of the lines is . If the angle between and be , then the angle between and will be |
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The combined equation of the lines is and that of the lines is . If the angle between and be , then the angle between and will be |
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a) |
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b) |
c) |
d) |
(d)
The combined equation of bisectors of angles between the lines of the first pair is
As these equations are the same, the two pairs are equally inclined to each other