If the modulus of a complex number z = a + ib 5 units, then the modulus of a - ib is ___ units.

\frac{1}{5}

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\frac{2}{5}

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Solution

The correct option is C 5
Since modulus of z = modulus of $¯ z$ .
So modulus of a + ib = modulus of a - ib.

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