z is a complex number such that the ratio z-i/z-1 is purely imaginary. Prove that z lies on a circle whose centre is at a point 1/2 + 1/2 i and whose radius is 1/v2( 1 divided by square root of 2)

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z is a complex number such that the ratio z-i/z-1 is purely imaginary. Prove that z lies on a circle whose centre is at a point 1/2 + 1/2 i and whose radius is 1/v2( 1 divided by square root of 2)

Answered Same DayDec 21, 2021

Answer To: z is a complex number such that the ratio z-i/z-1 is purely imaginary. Prove that z lies on a circle...

Robert answered on Dec 21 2021
117 Votes
Hence from conjugate property of
̅

(
̅̅ ̅̅ ̅̅ ̅
)




( ̅̅ ̅̅ ̅̅ )
( ̅̅ ̅̅ ̅̅ ̅ )
( (


̅̅̅̅
)
( ̅̅̅̅ )
( ̅̅̅̅ )
)




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( ) ( ̅ ) ( ̅ ) ( )
( ) ( ̅ )

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( ) ( ̅ )
̅ ( ) ( ) ̅
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( )


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Comparing it...
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