જો $\left| \begin{array}{ccc} y + z & x & y \\ z + x & z & x \\ x + y & y & z \end{array} \right| = k(x + y + z)(x - z)^2$ હોય,તો $k = $

  • A
    $2xyz$
  • B
    $1$
  • C
    $xyz$
  • D
    $x^2y^2z^2$

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Similar Questions

જો $\Delta=\left|\begin{array}{lll}1 & a & a^2 \\ 1 & b & b^2 \\ 1 & c & c^2\end{array}\right|$ અને $\Delta_1=\left|\begin{array}{ccc}1 & 1 & 1 \\ b c & c a & a b \\ a & b & c\end{array}\right|$ હોય,તો

$\left|\begin{array}{ccc}a-b-c & 2a & 2a \\ 2b & b-c-a & 2b \\ 2c & 2c & c-a-b\end{array}\right|$ ની કિંમત શોધો.

જો $A_1B_1C_1, A_2B_2C_2, A_3B_3C_3$ એ ત્રણ અંકની સંખ્યાઓ હોય,જે દરેક $k$ વડે વિભાજ્ય છે અને $\Delta = \begin{vmatrix} A_1 & B_1 & C_1 \\ A_2 & B_2 & C_2 \\ A_3 & B_3 & C_3 \end{vmatrix}$ હોય,તો $\Delta$ કોના વડે વિભાજ્ય છે?

$\left| {\begin{array}{ccc} a - b - c & 2a & 2a \\ 2b & b - c - a & 2b \\ 2c & 2c & c - a - b \end{array}} \right| = $

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$f(x) = \left| \begin{array}{ccc} 1 & x & x+1 \\ 2x & x(x-1) & (x+1)x \\ 3x(x-1) & x(x-1)(x-2) & (x+1)x(x-1) \end{array} \right|$ હોય, તો $f(100)$ ની કિંમત શોધો.

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