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Question : 112 of 120
Marks:
+1,
-0
Solution:
Given:
Vectors
−2x−3y and
+3x+2yare orthogonal to each other,
(−2x−3y).(+3x+2y)=0 ⇒1−6x2−6y2=0 ⇒6x2+6y2=1 ⇒x2+y2= So, locus of the point
(x,y) is circle.
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