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Mathematics
Problem
Which of the following quadratic equations has real but irrational roots? a)
x
2
−
2
x
+
1
=
0
x^2 - 2x + 1 = 0
x
2
−
2
x
+
1
=
0
b)
2
x
2
+
3
x
+
5
=
0
2x^2 + 3x + 5 = 0
2
x
2
+
3
x
+
5
=
0
c)
x
2
+
4
x
+
2
=
0
x^2 + 4x + 2 = 0
x
2
+
4
x
+
2
=
0
d)
3
x
2
+
5
x
+
2
=
0
3x^2 + 5x + 2 = 0
3
x
2
+
5
x
+
2
=
0
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