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Mathematics
Problem
Which of the following is a quadratic polynomial? a)
5
x
2
y
+
3
5x^{2}y+3
5
x
2
y
+
3
b)
x
3
/
2
+
2
x
x^{3/2}+2x
x
3/2
+
2
x
c)
3
x
2
−
2
x
+
5
3x^{2}-2x+5
3
x
2
−
2
x
+
5
d)
4
x
3
+
x
2
4x^{3}+x^{2}
4
x
3
+
x
2
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