If the lines a(1)x+b(1)y=1,a(2)x+b(2)y=1...

If the lines `a_(1)x+b_(1)y=1,a_(2)x+b_(2)y=1,a_(3)x+b_(3)y=1,` are concurrent then the points `(a_(1),b_(1)),(a_(2),b_(2)),(a_(3),b_(3))`

forms equilateral triangle

forms right angled triangle

forms scalane triangle

lie on a straight line

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If Delta=|{:(a_(1),b_(1),c_(1)),(a_(2),b_(2),c_(2)),(a_(3),b_(3),c_(3)):}| then |{:(A_(1),A_(2),A_(3)),(B_(1),B_(2),B_(3)),(C_(1),C_(2),C_(3)):}|=(A_(1),A_(2),A_(3) . . . . . " are cofactors of "a_(1),a_(2),a_(3) . . . . . )

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AAKASH SERIES-STRAIGHT LINES-EXERCISE -II

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