यदि घन समीकरण $\left| \begin{array}{ccc} 0 & a-x & b-x \\ -a-x & 0 & c-x \\ -b-x & -c-x & 0 \end{array} \right| = 0$ में $x$ का एक पुनरावृत्त मूल (repeated root) है,तो:

  • A
    $2ac = ab + bc$
  • B
    $ac = ab + bc$
  • C
    $ac = 2ab + 2bc$
  • D
    $a^2c^2 = a^2b^2 + b^2c^2$

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Similar Questions

आव्यूह $\begin{bmatrix} \lambda & -1 & 4 \\ -3 & 0 & 1 \\ -1 & 1 & 2 \end{bmatrix}$ व्युत्क्रमणीय है,यदि

यदि ${\left| {\begin{array}{cc} 4 & 1 \\ 2 & 1 \end{array}} \right|^2} = \left| {\begin{array}{cc} 3 & 2 \\ 1 & x \end{array}} \right| - \left| {\begin{array}{cc} x & 3 \\ -2 & 1 \end{array}} \right|$,तो $x =$

यदि $\left[\begin{array}{ccc}1 & -1 & x \\ 1 & x & 1 \\ x & -1 & 1\end{array}\right]$ का व्युत्क्रम (inverse) संभव नहीं है,तो $x$ का वास्तविक मान ज्ञात कीजिए।

यदि $\left| \begin{array}{ccc} 6i & -3i & 1 \\ 4 & 3i & -1 \\ 20 & 3 & i \end{array} \right| = x + iy$ है,तो $(x, y)$ क्या है?

यदि $b$ और $c$ अशून्य वास्तविक संख्याएँ हैं,$A = \begin{bmatrix} 1 & b & c \\ b & 2 & 3 \\ c & 3 & 4 \end{bmatrix}$ और $B = \begin{bmatrix} 0 & b & c \\ -b & 0 & 2 \\ -c & -2 & 0 \end{bmatrix}$ है,तो $\det(A+B) = $

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