જો $z(2-i)=(3+i)$ હોય,તો $z^{38} = ?$ (જ્યાં $z=x+iy$)

  • A
    $-2^{19} i$
  • B
    $2^{19} i$
  • C
    $-2^{19}$
  • D
    $2^{19}$

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