1
WB JEE 2010
Subjective
+2
-0

Prove that the centre of the smallest circle passing through origin and whose centre lies on y = x + 1 is $$\left( { - {1 \over 2},{1 \over 2}} \right)$$.

2
WB JEE 2011
Subjective
+2
-0

If the area of a rectangle is 64 square units, find the minimum value possible for its perimeter.

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