[JEE Main 2008] the conjugate of a complex number is 1 i 1 that complex number is
The conjugate of a complex number is $\dfrac1{i-1}$. That complex number is
(a) $-\dfrac1{i-1}$
(b) $\dfrac1{i+1}$
(c) $-\dfrac1{i+1}$
(d) $\dfrac1{i-1}$
1 Answer
VAVidaara Admin
✓ Vidaara Team
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· 2d ago
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Correct answer: (c) $-\dfrac1{i+1}$
The number is the conjugate of $\frac1{i-1}$: $\overline{\frac1{i-1}}=\frac1{\,\overline{i-1}\,}=\frac1{-i-1}=-\frac1{i+1}$.
JEE Main 2008 · Complex Numbers — verified solution by the Vidaara Team.
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