3 and 4 .Determinants and Matrices
easy

જો $A = \left[ {\begin{array}{*{20}{c}}1&0&1\\0&1&1\\1&0&0\end{array}} \right]$, તો $A$ એ . . . . થાય.

A

સંમિત

B

વિસંમિત

C

સામાન્ય

D

અસામાન્ય

Solution

(c) $\Delta = \left[ {\begin{array}{*{20}{c}}1&0&1\\0&1&1\\1&0&0\end{array}} \right] = – 1 \ne 0$, hence matrix is non-singular.

Standard 12
Mathematics

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