1.

if two points used to specify a line are (x1, y1) and (x2, y2), then the equation of line is given as………..

A. x-x1/y-y1= y2-y1/x2-x1
B. y-y1/x-x1=y2-y1/x2-x1
C. a or b
D. none of these
Answer» C. a or b


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