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Question

Iff:CC is defined by f(z)=¯¯¯z (Where ¯¯¯z is the conjugate of z) then f(z) is

A
a surjection
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B
an injection only
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C
a bijection
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D
neither injection nor surjection
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Solution

The correct option is C a bijection
f(z)=¯z
f(z) is both one - one & onto.
f(z) is a bijective function.
53038_12914_ans_d46ad3c67c3040c3a382db7c7faf1651.png

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