यदि $\Delta = \begin{vmatrix} a & b & c \\ x & y & z \\ p & q & r \end{vmatrix}$ है,तो $\begin{vmatrix} ka & kb & kc \\ kx & ky & kz \\ kp & kq & kr \end{vmatrix}$ =

  • A
    $\Delta$
  • B
    $k\Delta$
  • C
    $3k\Delta$
  • D
    $k^3\Delta$

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