यदि ${a^x} = bc$,${b^y} = ca$,और ${c^z} = ab$ है,तो $xyz$ का मान क्या होगा?

  • A
    $x + y + z$
  • B
    $x + y + z + 1$
  • C
    $x + y + z + 2$
  • D
    $2(x + y + z)$

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