$\left| \begin{array}{ccc} 1 & 1 & 1 \\ bc & ca & ab \\ b+c & c+a & a+b \end{array} \right|$ का मान क्या है?

  • A
    $1$
  • B
    $0$
  • C
    $(a-b)(b-c)(c-a)$
  • D
    $(a+b)(b+c)(c+a)$

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Similar Questions

यदि $k > 1$ है और आव्यूह $A^2$ का सारणिक, जहाँ $A = \begin{bmatrix} k & k\alpha & \alpha \\ 0 & \alpha & k\alpha \\ 0 & 0 & k \end{bmatrix}$ है, $k^2$ है, तो $|\alpha|$ का मान ज्ञात कीजिए।

यदि $A = \begin{bmatrix} 1 & 0 & 1 \\ 2 & 1 & 0 \\ 3 & 2 & 1 \end{bmatrix}$ है,तो $\det A$ =

$\left| {\begin{array}{*{20}{c}}{{{\log }_3}512}&{{{\log }_4}3}\\{{{\log }_3}8}&{{{\log }_4}9}\end{array}} \right| \times \left| {\begin{array}{*{20}{c}}{{{\log }_2}3}&{{{\log }_8}3}\\{{{\log }_3}4}&{{{\log }_3}4}\end{array}} \right| = $

यदि $\left| \begin{array}{ccc} a & b & a\alpha - b \\ b & c & b\alpha - c \\ 2 & 1 & 0 \end{array} \right| = 0$ और $\alpha \neq \frac{1}{2}$ है,तो

यदि $\alpha+\beta+\gamma=2 \pi$ है,तो समीकरणों के निकाय
$x+(\cos \gamma) y+(\cos \beta) z=0$
$(\cos \gamma) x+y+(\cos \alpha) z=0$
$(\cos \beta) x+(\cos \alpha) y+z=0$
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