MCQ
જો $A =\left[\begin{array}{cc}2 x & 0 \\ x & x \end{array}\right]$ અને $A ^{-1}=\left[\begin{array}{cc}1 & 0 \\ -1 & 2\end{array}\right]$ હોય તો $x =\ldots \ldots \ldots$
- A2
- B1
- C$-\frac{1}{2}$
- ✓$\frac{1}{2}$
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