Test Index

Matrices and Determinants

Section: Mathematics

© examsnet.com

Question : 23

Total: 56

Let M=[

0	1	a
1	2	3
3	b	1

−1	1	−1
8	−6	2
−5	3	−1

] where a and b are real numbers.Which of the following options is/are correct?

[JEE Adv 2019 P1]

a+b=3
det(adjM2)=81
(adjM−1)+adjM−1=−M
If
M=[
α
β
γ
]=[
1
2
3
]
,then α−β+γ=3

Go to Question:

Prev Question

Next Question

More Free Exams: