The point (a, b) is first reflected in the origin and then reflected in the y-axis to P’.
The point (a, b) is first reflected in the origin and then reflected in the y-axis to P’. If P’ has co-ordinates (4, 6); evaluate a and b.
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MO (a, b) = (-a, -b)
My (-a, -b) = (a, -b)
Thus, we get the co-ordinates of the point P’ as (a, -b). It is given that the co-ordinates of P’ are (4, 6).
On comparing the two points, we get, a = 4 and b = -6
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