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If the co-ordinates of a variable point ...

If the co-ordinates of a variable point P be `(cos theta + sin theta, sin theta - cos theta)` where `theta` is the perimeter, then the locus of P is :

A

`x^2 - y^2 = 4`

B

`x^2 + y^2 =2`

C

xy = 3

D

`x^2 + 2y^2 = 3`

Text Solution

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The correct Answer is:
B
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