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Mathematics
Problem
Number of values of
a
a
a
for which the system of equations
a
2
x
+
(
2
−
a
)
y
=
4
+
a
2
a^2 x + (2-a)y = 4 + a^2
a
2
x
+
(
2
−
a
)
y
=
4
+
a
2
and
a
x
+
(
2
a
−
1
)
y
=
a
2
−
1
ax + (2a-1)y = a^2 - 1
a
x
+
(
2
a
−
1
)
y
=
a
2
−
1
possess no solution, is a. 0 b. 1 c. 2 d. infinite
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