if "X" is an integer,which of the following will produce an odd number?A.3x² +1 B.x²+2xX是不等于0的整数A.B都存在奇数和偶数的情况啊?

if "X" is an integer,which of the following will produce an odd number?A.3x² +1 B.x²+2x
X是不等于0的整数
A.B都存在奇数和偶数的情况啊?

你说的对,好像答案并不能确定为A,
确实经过运算,发现A和B都有奇偶两种情况的结果.
只有当X是0时,才能确定答案为A.