

MCQOPTIONS
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1. |
If the matrix\(\left[ {\begin{array}{*{20}{c}} 1&3&{\lambda + 2}\\ 2&4&8\\ 3&5&{10} \end{array}} \right]\) is singular, then λ equals |
A. | -2 |
B. | 2 |
C. | 4 |
D. | -4 |
Answer» D. -4 | |