ધારો કે $A=\left[\begin{array}{lll}2 & 0 & 1 \\ 1 & 1 & 0 \\ 1 & 0 & 1\end{array}\right], B=\left[B_1, B_2, B_3\right]$, જ્યાં $B_1$, $\mathrm{B}_2, \mathrm{~B}_3$ સ્તંભ શ્રેણિકો છે, અને $\mathrm{AB}_1=\left[\begin{array}{l}1 \\ 0 \\ 0\end{array}\right]$, $\mathrm{AB}_2=\left[\begin{array}{l}2 \\ 3 \\ 0\end{array}\right], \mathrm{AB}_3=\left[\begin{array}{l}3 \\ 2 \\ 1\end{array}\right]$ જો $\alpha=|B|$ અને $\beta$ ના તમામ વિકર્ણી ઘટકોનો સરવાળો $B$, હોય તો $\alpha^3+\beta^3....... $
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A $28$
$ A=\left[\begin{array}{lll}2 & 0 & 1 \\ 1 & 1 & 0 \\ 1 & 0 & 1\end{array}\right] $
$B_1=\left[\begin{array}{l}x_1 \\ y_1 \\ z_1\end{array}\right], \quad B_2=\left[\begin{array}{l}x_2 \\ y_2 \\ z_2\end{array}\right], \quad B_3=\left[\begin{array}{l}x_3 \\ y_3 \\ z_3\end{array}\right]$
$A_1=\left[\begin{array}{lll}2 & 0 & 1 \\ 1 & 1 & 0 \\ 1 & 0 & 1\end{array}\right]\left[\begin{array}{l}x_1 \\ y_1 \\ z_1\end{array}\right]=\left[\begin{array}{l}1 \\ 0 \\ 0\end{array}\right]$
$x _1=1, y _1=-1, z _1=-1$
$AB _2=\left[\begin{array}{lll}2 & 0 & 1 \\ 1 & 1 & 0 \\ 1 & 0 & 1\end{array}\right]\left[\begin{array}{l} x _2 \\ y _2 \\ z _2\end{array}\right]=\left[\begin{array}{l}2 \\ 3 \\ 0\end{array}\right]$
$x _2=2, y _2=1, z _2=-2$
$AB _3=\left[\begin{array}{lll}2 & 0 & 1 \\ 1 & 1 & 0 \\ 1 & 0 & 1\end{array}\right]\left[\begin{array}{l} x _3 \\ y _3 \\ z _3\end{array}\right]=\left[\begin{array}{l}3 \\ 2 \\ 1\end{array}\right]$
$x _3=2, y _3=0, z _3=-1$
$B=\left[\begin{array}{ccc}1 & 2 & 2 \\ -1 & 1 & 0 \\ -1 & -2 & -1\end{array}\right]$
$\alpha=| B |=3$
$\beta=1$
$\alpha^3+\beta^3=27+1=28$