Q1 of 39 Page 157

If a point P has coordinates (3,4) in a coordinate system X ′OX ↔ Y′OY, and if O has coordinates (4,3) in another system X1′O1X1↔ Y1′O1Y1 with X ′OX || X ′O1X1, then the coordinates of P in the new system X1′O1X1↔ Y1′O1Y1 is ______

If a point P has coordinates (x1,y1) in a coordinate system X ′OX ↔ Y′OY, and if O has coordinates (a,b) in another system X1′O1X1↔ Y1′O1Y1 with X ′OX || X ′O1X1, then the coordinates of P say (x, y) in the new system X1′O1X1↔ Y1′O1Y1 will be x = x1 + a and y = y1 + a

⇒ x = 3 + 4 and y = 4 + 3


⇒ x = 7 and y = 7

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