ans. 16th one only.....fst....
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Let z=root 5+3i. a=root 5, b=3
|z|=root of a^+b^
=root of root 5^+3^
=root of 5+9
|z|=root 14
|z|^=14
z=root 5-3i
WKT
Z to the power of -1=z/|z|^
=root 5-3i/14-14
|z|=root of a^+b^
=root of root 5^+3^
=root of 5+9
|z|=root 14
|z|^=14
z=root 5-3i
WKT
Z to the power of -1=z/|z|^
=root 5-3i/14-14
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