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If a,b,c are comples number and z=|{:(,0...

If a,b,c are comples number and z=`|{:(,0,-b,-c),(,bar(b),0,-a),(,bar(c),bar(a),0):}|` then show that z is

A

a non-zero real number

B

purely imaginary

C

0

D

None of these

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