Matrix Determinant Row Operation (Jee Mains) | ExamDuo
Ask Doubts
Log in
Determinants
Medium
Matrix Determinant Row Operation
Let
A
be a
3
×
3
matrix with
d
e
t
(
A
)
=
4
. Let
R
i
denote the ith row of
A
. If a matrix
B
is obtained by performing the operation
R
2
→
2
R
2
+
5
R
3
on
2
A
, then det (B) is equal to
Ask about this question
SELECT ONE OPTION
A
16
B
80
C
64
D
128
Check