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Prove that all lines represented by the equation `(2costheta+3sintheta)x+(3costheta-5sintheta)y=5costheta-2sintheta`…(1) pass through a fixed point and its reflection in the line `x+y=sqrt2` ? Prove that all lines through reflection point can be represented by the equation
`(2costheta+3sintheta)x+(3costheta-5sintheta)y=`
`(sqrt2-1)(5costheta-2sintheta)`....(2)

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