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Questions  

Image of the point (–1, 3) with respect to the line y=2x is

a
(7/5, 14/5)
b
(1, 2)
c
(3, 1)
d
(5, 1)

detailed solution

Correct option is C

Equation of the line through (–1, 3) perpendicularto y=2x is x+2y=5  which mets  y=2x at (1, 2). Required point is (α,β) such that α−12=1,β+32=2.

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