$\left|\begin{array}{lll}(a+1)(a+2) & a+2 & 1 \\ (a+2)(a+3) & a+3 & 1 \\ (a+3)(a+4) & a+4 & 1\end{array}\right|$ का मान है:

  • A
    $(a+2)(a+3)(a+4)$
  • B
    $-2$
  • C
    $(a+1)(a+2)(a+3)$
  • D
    $0$

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यदि $\Delta=\left|\begin{array}{lll}1 & a & a^2 \\ 1 & b & b^2 \\ 1 & c & c^2\end{array}\right|=K(a-b)(b-c)(c-a)$,तो $K=$

सारणिक $\left| \begin{array}{ccc} 1 & 2 & 3 \\ 3 & 5 & 7 \\ 8 & 14 & 20 \end{array} \right|$ का मान ज्ञात कीजिए।

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यदि $\alpha, \beta, \gamma$ समीकरण $\left|\begin{array}{ccc} 1-x & -2 & 1 \\ -2 & 4-x & -2 \\ 1 & -2 & 1-x \end{array}\right|=0$ के मूल हैं,तो $\alpha \beta+\beta \gamma+\gamma \alpha=$

समीकरण $\left| \begin{array}{ccc} 1 & 1 & x \\ p+1 & p+1 & p+x \\ 3 & x+1 & x+2 \end{array} \right| = 0$ के हल हैं:

$x$ का वह मान जिसके लिए आव्यूह $\begin{bmatrix} x & 2 & 3 \\ 4 & 5 & 6 \\ 2 & 3 & 5 \end{bmatrix}$ व्युत्क्रमणीय नहीं है,है

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