Two moving points A and B are as shown i...

Two moving points A and B are as shown in figure-1 and figure-2 respectively, the relations between the speeds of A and B are `V_A and V_B` In figure-1 B = `V_B/V_A =x` and in figure-2 `V_B/V_A=y` , then

A

`x^2-y^2=1`

B

`x^2+y^2=1`

C

`x-y=1/(xy)`

D

`y=1/sqrt(x^(2)1)`

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The correct Answer is:

A, C, D

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