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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