60 12. Find the value of k if kr + ...
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60 12. Find the value of k if kr + 3y-1=0, 2x + y +5=0 a x + y2 – 2x - 4y –4=0. with respect to

JEE/Engineering Exams
Maths
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Liven the line. ( k x+3 y=1=0 ) ( 2 x+y+5=0 ) are bonjugete with respext to ( x^{2}+y^{2}-2 x-4 y-4=0 ) ( triangle 0 ) ( (k x+3 y-1)(2 x+y+5)=x^{2}+y^{2}-2 x-4 y-4 ) equating He Coeblivient ob ( x^{2}- ) ( Rightarrow quad 2 k=1 ) ( k=1 / 2 )
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