If the vector $2\hat{i} + 3\hat{j} - \hat{k}$ is perpendicular to the vector $-4\hat{i} - 6\hat{j} + \lambda\hat{k}$,find the value of $\lambda$.

  • A
    $25$
  • B
    $26$
  • C
    $-26$
  • D
    $-25$

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