Skip to content
VidhyaKosh
Free tests
JEE Main
Blog
Pricing
Log in
Start practising
Free tests
JEE Main
Blog
Pricing
Log in
Start practising
Home
Questions
Mathematics
VK-036253
JEE Main 2023 Mathematics question
Mathematics
Matrices
JEE Main 2023
Let for A =
, |A| = 2. If
, then 3n +
is equal to :
(A)
9
(B)
11
Correct
(C)
12
(D)
10
Answer:
(B)
Solution
Question ID VK-036253