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Let P(x,y) be a point which is a constan...

Let `P(x,y)` be a point which is a constant distance from the origin. Then equivalence relation of `(1,-1)` is

A

`S={(x,y)|x^2 +y^2=4}`

B

`S={(x,y)|x^2 +y^2 =1}`

C

`S={(x,y)|x^2+y^2 = sqrt(2)}`

D

`S={(x,y)|x^2 +y^2 =2}`

Text Solution

Verified by Experts

The correct Answer is:
D
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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-SECTION-A
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