1.

A pair of straight lines through A(2,7) is drawn to intersect the line x+y=5 at C and D. If angle between the pair of straight lines is π2, then the locus of incentre of △ACD is

Answer»

A pair of straight lines through A(2,7) is drawn to intersect the line x+y=5 at C and D. If angle between the pair of straight lines is π2, then the locus of incentre of ACD is



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