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Mathematics
Problem
The quadratic polynomial
4
x
2
−
12
x
+
9
4x^{2}-12x+9
4
x
2
−
12
x
+
9
can be factorised and its zeros obtained. Which of the following lists those zeros? a)
−
3
2
,
−
3
2
-\dfrac{3}{2},\;-\dfrac{3}{2}
−
2
3
,
−
2
3
b)
3
2
±
3
3
4
\dfrac{3}{2}\,\pm\,\dfrac{3\sqrt{3}}{4}
2
3
±
4
3
3
c)
3
2
,
3
2
\dfrac{3}{2},\;\dfrac{3}{2}
2
3
,
2
3
d)
3
2
,
3
\dfrac{3}{2},\;3
2
3
,
3
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