सारणिक का मान ज्ञात कीजिए: $\left|\begin{array}{ccc}1 & a & b \\ 1 & a+b & b \\ 1 & a & a+b\end{array}\right| = $ . . . . . . .

  • A
    $2ab$
  • B
    $0$
  • C
    $ab$
  • D
    $ab+2b^2$

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मान लीजिए $A = \begin{bmatrix} 3-t & 1 & 0 \\ -1 & 3-t & 1 \\ 0 & -1 & 0 \end{bmatrix}$ और $\det(A) = 5$ है, तो $t$ का मान ज्ञात कीजिए।

$\left|\begin{array}{lll}10 & 11 & 12 \\ 11 & 12 & 13 \\ 12 & 13 & 14\end{array}\right|=$ . . . . . . .

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यदि आव्यूह $A = \begin{bmatrix} a & b \\ c & d \end{bmatrix}$ है,तो $|A|^{-1}$ किसके बराबर है?

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