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Explanation needed

1) Find the coordinates of the points symmetric with respect to X-axis, to the following points. Plot the points. (a) A(2,3) ; (b) B(-3,2) ; (c) C(-1,-1) ; (d) D(-3,4)

2) Extremities of the diagonal of a parallelogram are the points (1,2) and (5,4). Third vertex is the points (2,3). Then the fourth vertex is

{answer should come (4,3)}

3) Find the distance between two points whose polar co-ordinates are {answer should come}

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by jafiya

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