1.

A point P moves so that P and the points (2,2) and (1,5) are always collinear. Find the locus of P

Answer»

(x,y) and GIVE VALUES (2,2) , (1,5), with the point are collinear -> area of triangle =0 .


by APPLYING the values in the GIVEN EQUATION you get -3x=10-2y-y-2, -3x-y+8=0, 3x=y=8,


hence the locus of p is 3x+y=8 is right answer , hence student can get right procedure to solve such the answer in a fine manner.



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