prove that the points (1,0),(-1,2) and (0,1) are collinear
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Triange area formula in co ordinate geometry put it and equal it to zero then put the value and u will got the answer
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Hence proved
Hope its useful
Hope its useful
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rushik5:
it is of point not about triangle
distance formula is used
ab *2 = x1-x2 + y1-y2
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