P(x_{1}, y_{1}) and Q(x_{2}, y_{2})  are points in the plane such that PQ subtends a right angle at the origin O, th

### Question Asked by a Student from EXXAMM.com Team

Q 3011712629.     P(x_{1}, y_{1}) and Q(x_{2}, y_{2})  are points in the plane such that PQ subtends a right angle at the origin O, then

(This question may have multiple correct answers)

A P(1, 3), Q(-3, 1)
B P(3, 1), Q(1,-3)
C P(2, 5), Q(5, -2)
D P(1, 1), Q(-1, 1)

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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