1.

A triangle is formed by the lines ax+by+c=0, lx+my+n=0 and px+qy+r=0. Given that the triangle is not right angled, show that the straight line (ax+by+c)/(ap+bq)=(lx+my+n)/(lp+mq) passes through the orthocentre of the triangle.

Answer»


ANSWER :ORTHOCENTRE of the TRIANGLE.


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