Questions
The image of P(a, b) on the line y = - x is Q and the image of Q on the line y = x is R. Then the midpoint of PR is
a
(a+b,b+a)
b
((a+b)/2,(b+2)/2)
c
(a−b,b−a)
d
(0,0)
detailed solution
Correct option is D
The point Q is (-b, -a) and the point R is (-a, -b). Therefore, the midpoint of PR is (0, 0).Talk to our academic expert!
Similar Questions
The images of on the line is and the image of Q on the line is R. Then the midpoint of PR is
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