(begin{vmatrix} -2 & 1 & 1 \ 2 & 1 & k \1 & 3 & -1 end{vmatrix}) = 23
-
A.
1 -
B.
2 -
C.
3 -
D.
4
Correct Answer: Option B
Explanation
-2(-1 – 3k) – 1(-2 -k) + 1(6 – 1) = 23
7k = 14
k = 2
You May Also Like
The biosphere can best be defined as part of the
The biosphere can best be defined as part of the A. atmosphere that contains moisture B. earth that…
The attribute of ‘Allāh which emphasizes His holiness is
The attribute of ‘Allāh which emphasizes His holiness is A. Al-Khālīq B. As-Salām C. Al-Qudūs D. Ar-Rahām. Correct…
The figure above shows a desert landform. Which of the following wind direction is likely…
The figure above shows a desert landform. Which of the following wind direction is likely to have been…
Which of the following countries is one of the major producers of petroleum and also…
Which of the following countries is one of the major producers of petroleum and also a net importer…
Political behavior is governed by
Political behavior is governed by A. political socialization B. political ideology C. political economy D. political culture Correct…