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Inequalities
medium
0:00.0
Solve for
x
x
x
:
x
2
+
1
>
0
x^2 + 1 > 0
x
2
+
1
>
0
.
A
All real numbers
B
No solution
C
x
>
1
x > 1
x
>
1
D
x
>
−
1
x > -1
x
>
−
1
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