જો $b$ અને $c$ શૂન્યતર વાસ્તવિક સંખ્યાઓ હોય,$A = \begin{bmatrix} 1 & b & c \\ b & 2 & 3 \\ c & 3 & 4 \end{bmatrix}$ અને $B = \begin{bmatrix} 0 & b & c \\ -b & 0 & 2 \\ -c & -2 & 0 \end{bmatrix}$ હોય,તો $\det(A+B) = $

  • A
    $3$
  • B
    $1$
  • C
    $-1$
  • D
    $0$

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Similar Questions

જો શ્રેણિક $A = \begin{bmatrix} 1 & 2 & 3 \\ 1 & 1 & 5 \\ 2 & 4 & 7 \end{bmatrix}$ હોય,તો $a_{31} A_{31} + a_{32} A_{32} + a_{33} A_{33}$ ની કિંમત શોધો.

$\left| {\begin{array}{ccc} {1^2} & {2^2} & {3^2} \\ {2^2} & {3^2} & {4^2} \\ {3^2} & {4^2} & {5^2} \end{array}} \right|$ નું મૂલ્ય શોધો.

જો $\left| {\begin{array}{*{20}{c}}{{x^2} + x}&{x + 1}&{x - 2}\\ {2{x^2} + 3x - 1}&{3x}&{3x - 3}\\ {{x^2} + 2x + 3}&{2x - 1}&{2x - 1}\end{array}} \right| = Ax - 12$ હોય,તો $A$ ની કિંમત શોધો.

જો $\left|\begin{array}{ccc}0 & ab^2 & ac^2 \\ a^2b & 0 & bc^2 \\ a^2c & b^2c & 0\end{array}\right|=m(abc)^k$ હોય,તો $m+k=$ . . . . . . .

જો $\left|\begin{array}{ll}2 & 4 \\ 5 & 1\end{array}\right|=\left|\begin{array}{cc}2x & 4 \\ 6 & x\end{array}\right|$ હોય,તો $x$ ની કિંમતો શોધો.

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