Q. Find the image of the point (1, —2) with respect to the line mirror 2x—y + 1 = 0.
Kindly refer the link for your query.
https://www.meritnation.com/ask-answer/question/find-the-image-of-the-point-1-2-in-the-line-x-3y-4-0/straight-lines/3894751
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https://www.meritnation.com/ask-answer/question/find-the-image-of-the-point-1-2-in-the-line-x-3y-4-0/straight-lines/3894751
Regards