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The angle between the lines xcos alpha1+...

The angle between the lines `xcos alpha_1+ysin alpha_1=p_1` and `xcos alpha_2+ysin alpha_2=p_2` is
(A)   `|alpha_1+alpha_2|`    (B)   `|alpha_1-alpha_2|`    (C)   `|2alpha_1|`    (D)   `|2alpha_2|`   

A

`alpha _(1) + alpha _(2)`

B

`alpha _(1) -alpha _(2)`

C

`2 alpha_(1)`

D

`2 alpha_(2)`

Text Solution

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The correct Answer is:
B
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