The image of `P(a,b)` on the line `y=-x` is Q and the image of Q on the line `y=x`
The image of `P(a,b)` on the line `y=-x` is Q and the image of Q on the line `y=x`
A. `(a+b,b+a)`
B. `((a+b)//2,(b+2)//2)`
C. `(a-b,b-a)`
D. `(0,0)`
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Correct Answer - D
The point Q is `(-b,-a)` and the point R is `(-a,-b)`. Therefore , the midpoint of PR is `(0,0)`.
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