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Let the diameter of a subset S of the p...

Let the diameter of a subset S of the plane be defined as the maximum of the distance between arbitrary pairs of points of S.
Q. Let `S={(x,y):(y-x) le 0, x+y ge 0, x^(2)+y^(2) le 2}` then the diameter of S is :

A

2

B

4

C

`sqrt(2)`

D

`2sqrt(2)`

Text Solution

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The correct Answer is:
A
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