Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
x
+
y
−
z
=
0
,
3
x
−
α
y
−
3
z
=
0
,
x
−
3
y
+
z
=
0
x + y - z = 0,\; 3x - \alpha y - 3z = 0,\; x - 3y + z = 0
x
+
y
−
z
=
0
,
3
x
−
α
y
−
3
z
=
0
,
x
−
3
y
+
z
=
0
has non zero solution, then
α
=
\alpha =
α
=
(a) -1 (b) 0 (c) 1 (d) -3 (a) -1 (b) 0 (c) 1 (d) -3
Browse the problem library