12th Class Mathematics Determinants

  • question_answer 1)
    Find the equation of line joining A(1, 2) and B(3, 6) using determinants. 

    Answer:

    Let P (x, y) be any point on line joining the points   A(1, 2) and B(3, 6). Therefore points A, P and B are collinear.        Area of triangle PAB = 0                               which is the required line AB.  


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