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Mathematics
Mathematics
Problem
A quadratic equation with rational coefficients one of whose roots is
tan
(
π
12
)
\tan\left(\frac{\pi}{12}\right)
tan
(
12
π
)
is. (A)
x
2
−
2
x
+
1
=
0
x^2 - 2x + 1 = 0
x
2
−
2
x
+
1
=
0
(B)
x
2
−
2
x
+
4
=
0
x^2 - 2x + 4 = 0
x
2
−
2
x
+
4
=
0
(C)
x
2
−
4
x
+
1
=
0
x^2 - 4x + 1 = 0
x
2
−
4
x
+
1
=
0
(D)
x
2
−
4
x
−
1
=
0
x^2 - 4x - 1 = 0
x
2
−
4
x
−
1
=
0
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