Let the line segment joining A(6,3) and B(−1,−4) is doubled in len – InterviewSolution

1.	Let the line segment joining A(6,3) and B(−1,−4) is doubled in length by adding equal segments to both the ends. If P(x1,y1) and Q(x2,y2) are the new end points, then the value of 5(x1+y2)+4(x2+y1) is
Answer» Let the line segment joining $A (6, 3)$ and $B (- 1, - 4)$ is doubled in length by adding equal segments to both the ends. If $P (x_{1}, y_{1})$ and $Q (x_{2}, y_{2})$ are the new end points, then the value of $5 (x_{1} + y_{2}) + 4 (x_{2} + y_{1})$ is

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