જો $A = \begin{bmatrix} 2 & 5 \\ 3 & 7 \end{bmatrix}$ અને $B = \begin{bmatrix} 0 & 3 \\ 4 & 1 \end{bmatrix}$ હોય,તો નીચેનામાંથી કયો ગુણધર્મ સાચો છે?

  • A
    $|AB| = |A||B|$
  • B
    $|AB| = |A|$
  • C
    $|AB| = |B|$
  • D
    $|AB| = -|A||B|$

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Similar Questions

જો $\Delta = \begin{vmatrix} a + x & b & c \\ b & x + c & a \\ c & a & x + b \end{vmatrix}$ હોય,તો નીચેનામાંથી કયો નિશ્ચાયકનો અવયવ છે?

જો $\left|\begin{array}{ccc}\alpha & \beta & \gamma \\ a & b & c \\ l & m & n\end{array}\right|=(-1)^K\left|\begin{array}{ccc}m & n & l \\ b & c & a \\ \beta & \gamma & \alpha\end{array}\right|$ હોય,તો $K$ ની ન્યૂનતમ કિંમત શોધો.

જો $a, b, c > 0$ અને $x, y, z \in R$ હોય,તો નિશ્ચાયક $\left| \begin{array}{ccc} (a^x + a^{-x})^2 & (a^x - a^{-x})^2 & 1 \\ (b^y + b^{-y})^2 & (b^y - b^{-y})^2 & 1 \\ (c^z + c^{-z})^2 & (c^z - c^{-z})^2 & 1 \end{array} \right|$ ની કિંમત શોધો.

નિશ્ચાયક $\left| {\begin{array}{*{20}{c}}{{a^2} + {x^2}}&{ab}&{ca}\\{ab}&{{b^2} + {x^2}}&{bc}\\{ca}&{bc}&{{c^2} + {x^2}}\end{array}} \right|$ એ કોનો ભાજક છે?

Difficult
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$\Delta=\left|\begin{array}{ccc}2 & -3 & 5 \\ 6 & 0 & 4 \\ 1 & 5 & -7\end{array}\right|$ માટે ગુણધર્મ $1$ ચકાસો.

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