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If sin^(-1)(x^2-4x+5)+cos^(-1)(y^2-2y+2)...

If `sin^(-1)(x^2-4x+5)+cos^(-1)(y^2-2y+2)=pi/2` then find the value of `xa n dydot`

A

`x+y=3`

B

`xy=2`

C

`x-y=1`

D

`x-y=0`

Text Solution

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The correct Answer is:
A, B, C
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