Question 13 - Week 4 Practice | Prasnya
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Qualifier / Quiz 1
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Mathematics 2
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Week 4
Question 13
00:00
Est. 2 min
Marks:
+2.00
0.00
Passage
Consider the matrix
A
=
[
1
0
−
1
−
1
−
2
1
0
k
4
−
1
k
0
]
,
A=\begin{bmatrix}1&0&-1&-1\\-2&1&0&k\\4&-1&k&0\end{bmatrix},
for some
k
∈
R
k\in\mathbb{R}
. Based on the above data, answer the given subquestions.
Question
Find the value of
k
k
for which rank of the matrix
A
A
is equal to
2
2
.
Comprehension
Medium Difficulty
13 July 2025
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