Sarthaks Test
0 votes
615 views
in Mathematics by (7.9k points)

If the points (2, 1) and (1, -2) are equidistant from the point (x, y) from (-3, 0) as well as from (3, 0) are 4.

Please log in or register to answer this question.

1 Answer

0 votes
by (13.1k points)
edited by

We have P(2, 1) and Q(1, -2) and R(X,Y)

Also, PR = QR

⇒ x2+5-4x+y2-2y=x2+5-2x+y2+4y

⇒ -4x+2x-2y-4y=0

⇒ -2x-6y=0

⇒ -2(x+3y)=0

⇒ x+3y=0/-2

⇒ x+3y=0

Hence proved.

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...