Find the value of x, if the given matrix \(\left[ {\begin{array}{*{20 – McqOptions

MCQOPTIONS

1.	Find the value of x, if the given matrix \(\left[ {\begin{array}{*{20}{c}} 1&2&5\\ 2&x&{10}\\ 3&1&{ - 2} \end{array}} \right]\) is singular
A.	4
B.	- 4
C.	\(\frac{1}{4}\)
D.	\(- \frac{1}{4}\)
Answer» B. - 4

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