Question
Question: A point moves such that the sum of the squares of its distances from the sides of a square of side u...
A point moves such that the sum of the squares of its distances from the sides of a square of side unity is equal to 9. The locus of such a point is a circle
A
Inscribed in the square
B
Circumscribing the square
C
Inside the square
D
Containing the square
Answer
Containing the square
Explanation
Solution
as per question
x2 + y2 + (x – 1)2 + (y – 1)2 = 9
Ž x2 + y2 – x – y – 27= 0