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The image of the point (2,3) in the line \mathrm{x+y=0} is

Option: 1

(-2,3)


Option: 2

(3,2)


Option: 3

(-3,-2)


Option: 4

none of these


Answers (1)

best_answer

If the image of a point \mathrm{P} in a line \mathrm{l} is \mathrm{{P}'}, then mid point of \mathrm{[P{P}']} lies on the line \mathrm{l} and the line \mathrm{PP}^{\prime}is perpendicular to the line \mathrm{l}.

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Pankaj

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