આપેલ ગુણાકારની ગણતરી કરો: $\begin{bmatrix} 1 \\ 2 \\ 3 \end{bmatrix} \begin{bmatrix} 2 & 3 & 4 \end{bmatrix}$.
- A$\begin{bmatrix} 2 & 3 & 4 \\ 4 & 6 & 8 \\ 6 & 9 & 12 \end{bmatrix}$
- B$\begin{bmatrix} 2 & 4 & 6 \\ 3 & 6 & 9 \\ 4 & 8 & 12 \end{bmatrix}$
- C$\begin{bmatrix} 2 & 3 & 4 \end{bmatrix}$
- D$\begin{bmatrix} 2 \\ 4 \\ 6 \end{bmatrix}$
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એક ચોરસ શ્રેણિક $[a_{ij}]$ જેમાં $i \neq j$ માટે $a_{ij} = 0$ અને $i = j$ માટે $a_{ij} = k$ (અચળ) હોય,તો તેને શું કહેવાય?
જો $\begin{bmatrix} 2 & -3 \\ 4 & 0 \end{bmatrix} - \begin{bmatrix} a & c \\ b & d \end{bmatrix} = \begin{bmatrix} 1 & 4 \\ 2 & -5 \end{bmatrix}$ હોય,તો $(a, b, c, d) = $
Easy
View Solutionજો $A = \begin{bmatrix} 1 & 1 \\ 1 & 1 \end{bmatrix}$ હોય,તો $A^{100} = $
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View Solutionજો $A=\left[\begin{array}{lll}9 & 3 & 0 \\ 1 & 5 & 8 \\ 7 & 6 & 2\end{array}\right]$ અને $AA^T-A^2=\left[\begin{array}{lll}a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33}\end{array}\right]$,હોય તો $\sum_{\substack{1 \leq i \leq 3 \\ 1 \leq j \leq 3}} a_{i j}=$
જો $A = \begin{bmatrix} 3 & 1 \\ -1 & 2 \end{bmatrix}$ હોય,તો $A^{2} - 5A$ ની કિંમત શોધો.
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