If the lines represented by the equation...

If the lines represented by the equation `ax^(2)-bxy-y^(2)=0` make angles `alpha` and `beta`
with the X-axis, then `tan(alpha+beta)=`

A

(a) `b/(1+a)`

B

(b) `(-b)/(1+a)`

C

(c) `a/(1+b)`

D

(d) `b/(1-a)`

Verified by Experts

The correct Answer is:

B

NA

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