A) 2
B) 3
C) 0
D) 1
Correct Answer: D
Solution :
If matrix has no inverse it means the value of determinant should be zero. \[\therefore \] \[\left| \begin{matrix} 1 & -1 & x \\ 1 & x & 1 \\ x & -1 & 1 \\ \end{matrix} \right|=0\] If we put\[x=1\], then column 1st and \[IIIrd\] are identical. Hence, option (d) is correct.You need to login to perform this action.
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