If \( |z-i| \leq 2 \) and \( z_{0}=5+3 i \) then the maximum value of \( \mid i z \) \( +z_{0} \...

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If \( |z-i| \leq 2 \) and \( z_{0}=5+3 i \) then the maximum value of \( \mid i z \) \( +z_{0} \mid \) is
(a) \( 2+\sqrt{31} \)
(b) 7
(c) \( \sqrt{31}-2 \)
(d) 2
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