find the distance of the point (x,y) from its image in x axis
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where is the image .....
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Answer:
Step-by-step explanation:
If the point is (x,y) then the image in x-axis is of the form (x,-y)
hence he distance becomes
√[(x-x)^2+(-y-y)^2]
=√(-2y)^2
=2y
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