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JEE Main & Advanced Mathematics Rectangular Cartesian Coordinates Question Bank System of co-ordinates, Distance between two points, Section formulae

  • question_answer
    The line \[x+y=4\] divides the line joining the points (-1, 1) and (5, 7) in the ratio       [IIT 1965; UPSEAT 1999]

    A) 2 : 1

    B) 1 : 2

    C) 1 : 2 externally 

    D) None of these

    Correct Answer: B

    Solution :

    Ratio\[=-\left( \frac{-1+1-4}{5+7-4} \right)=\frac{1}{2}\]. (Applying the formula given in the book)


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