$\left| {\begin{array}{*{20}{c}}{x + 1}&{x + 2}&{x + 4}\\{x + 3}&{x + 5}&{x + 8}\\{x + 7}&{x + 10}&{x + 14}\end{array}} \right| = $

  • A
    $2$
  • B
    $-2$
  • C
    ${x^2} - 2$
  • D
    इनमें से कोई नहीं

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Similar Questions

यदि $\begin{vmatrix} x^k & x^{k+2} & x^{k+3} \\ y^k & y^{k+2} & y^{k+3} \\ z^k & z^{k+2} & z^{k+3} \end{vmatrix} = (x-y)(y-z)(z-x)\left(\frac{1}{x}+\frac{1}{y}+\frac{1}{z}\right)$ है, तो $k$ का मान ज्ञात कीजिए।

यदि $a \ne p, b \ne q, c \ne r$ और $\begin{vmatrix} p & b & c \\ p + a & q + b & 2c \\ a & b & r \end{vmatrix} = 0$ है,तो $\frac{p}{p - a} + \frac{q}{q - b} + \frac{r}{r - c} = $

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यदि $\left| \begin{matrix} a - b - c & 2a & 2a \\ 2b & b - c - a & 2b \\ 2c & 2c & c - a - b \end{matrix} \right| = (a + b + c)(x + a + b + c)^2$,$x \ne 0$ और $a + b + c \ne 0$ है,तो $x$ का मान ज्ञात कीजिए।

यदि $\left|\begin{array}{ccc}\alpha & \beta & \gamma \\ a & b & c \\ l & m & n\end{array}\right|=(-1)^K\left|\begin{array}{ccc}m & n & l \\ b & c & a \\ \beta & \gamma & \alpha\end{array}\right|$, तो $K$ का न्यूनतम मान है

मान लीजिए $D_{k} = \begin{vmatrix} 1 & 2k & 2k-1 \\ n & n^2+n+2 & n^2 \\ n & n^2+n & n^2+n+2 \end{vmatrix}$ है। यदि $\sum_{k=1}^{n} D_{k} = 96$ है,तो $n$ का मान ज्ञात कीजिए।

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