\({\rm{\;}}A = \left[ {\begin{array}{*{20}{c}}1&1\\1&a\end{array}} \ri – McqOptions

MCQOPTIONS

1.	\({\rm{\;}}A = \left[ {\begin{array}{*{20}{c}}1&1\\1&a\end{array}} \right];{A^2} = 2A\), then value of a =
A.	a = 2
B.	a = 1
C.	a = -2
D.	a = -1
Answer» C. a = -2

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