1.

If points (x1,4),(−2,y1) lie on the line joining the points (2,−1) and (5,−3), then the value of 2x1+9y1 is

Answer» If points (x1,4),(2,y1) lie on the line joining the points (2,1) and (5,3), then the value of 2x1+9y1 is


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