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Consider three lines as follows. L1:5x-y...

Consider three lines as follows. `L_1:5x-y+4=0` `L_2:3x-y+5=0` `L_3: x+y+8=0` If these lines enclose a triangle `A B C` and the sum of the squares of the tangent to the interior angles can be expressed in the form `p/q ,` where `p` and `q` are relatively prime numbers, then the value of `p+q` is

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CENGAGE PUBLICATION-STRAIGHT LINES-All Questions
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