Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If the value of the determinant is positive:
a
1
1
1
b
1
1
1
c
then (a, b, c > 0) a.
a
b
c
>
1
abc > 1
ab
c
>
1
b.
a
b
c
>
−
8
abc > -8
ab
c
>
−
8
c.
a
b
c
<
−
8
abc < -8
ab
c
<
−
8
d.
a
b
c
>
−
2
abc > -2
ab
c
>
−
2
Browse the problem library