If $d_1, d_2, d_3$ are the distances of the point $(1, 2, 3)$ from the $X, Y, Z$-coordinate axes respectively,then $2 d_2^2 + d_3^2 + 1 =$

  • A
    $d_1^2$
  • B
    $2 d_1^2$
  • C
    $3 d_1^2$
  • D
    $4 d_1^2$

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