Questions
If one of the lines given by the equation coincide with one of those given by and the other lines represented by them be perpendicular, then
detailed solution
Correct option is C
Let 23x2+a3xy+y2=(y−mx)y−m′xand 2−3x2+b−3xy+y2=y+1mxy−m′xthen m+m′=−a3,mm′=23 (i)1m−m′=−b3,−m′m=−23⇒m2=1⇒m=±1If m=1,m′=23⇒a=−5,b=−1If m=−1,m′=−23⇒a=5,b=1.Talk to our academic expert!
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The two lines represented by are perpendicular to each other for
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