if the vectors i − 2xj − 3yk and i + 3xj + 2yk are orthogonal to each other , then the locus of the point (x , y ) ishyperbolaellipse parabola circle
Navin kumar acharya , 7 Years ago
Grade 12th pass
1 Answers
Mohd Mujtaba
Last Activity: 7 Years ago
Answer is "circle". If these two vector are orthogonal then their dot product is 0. So (i-2xj-3yk).(i+3xj+2yk)=0. On solving we get 6x^2+6y^2=1. Or x^2+y^2=1/(root6)^2. Which is equation of circle. Thank☺☺☺☺