Kindly refer the link for your query.
https://www.meritnation.com/ask-answer/question/find-k-such-that-k-2-2k-4-k-6-2k-and-k-1-2k-ar/coordinate-geometry/1691292
Regards
https://www.meritnation.com/ask-answer/question/find-k-such-that-k-2-2k-4-k-6-2k-and-k-1-2k-ar/coordinate-geometry/1691292
Regards